{"id":36221,"date":"2025-06-18T07:27:55","date_gmt":"2025-06-18T07:27:55","guid":{"rendered":"https:\/\/wotaichem.com\/?p=32871"},"modified":"2026-03-02T02:44:55","modified_gmt":"2026-03-02T02:44:55","slug":"massa-de-parede-a-base-de-gesso","status":"publish","type":"post","link":"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/","title":{"rendered":"Massa de Parede \u00e0 Base de Gesso: F\u00f3rmula, Aditivos e Dicas de Aplica\u00e7\u00e3o"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabela de conte\u00fado\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/#Formulacao_e_ajustes\" >Formula\u00e7\u00e3o e ajustes<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/#1_Componentes-chave_e_formulacao_basica\" >(1) Componentes-chave e formula\u00e7\u00e3o b\u00e1sica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/#2_Analise_da_formula_da_massa_corrida_a_base_de_gesso\" >(2) An\u00e1lise da f\u00f3rmula da massa corrida \u00e0 base de gesso<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/#3_Ajustes_na_formula_da_massa_corrida_a_base_de_gesso\" >(3) Ajustes na f\u00f3rmula da massa corrida \u00e0 base de gesso<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ao formular massa corrida para paredes \u00e0 base de gesso, \u00e9 essencial adicionar certos <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/aditivos-para-gesso\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">aditivos<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> funcionais adequados \u00e0s propriedades dos aglomerantes \u00e0 base de gesso, como reguladores de alcalinidade e <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fornecedor-de-redutor-de-agua\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">redutores de \u00e1gua<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> .<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><a href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/attachment\/2019012616381861661\/\" rel=\"attachment wp-att-32879\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/2019012616381861661.webp\" class=\"alignnone wp-image-32879 size-full lazyload\" alt=\"massa corrida \u00e0 base de gesso\" width=\"650\" height=\"451\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-32879 size-full\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/2019012616381861661.webp\" alt=\"massa corrida \u00e0 base de gesso\" width=\"650\" height=\"451\"><\/noscript><\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Reguladores de alcalinidade<\/span><\/span><\/strong><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">A principal fun\u00e7\u00e3o dos reguladores de alcalinidade \u00e9 ajustar o n\u00edvel de pH da pasta de gesso. Isso ocorre porque certos <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/retardador-de-gesso\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">retardadores<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> t\u00eam melhor desempenho em ambientes levemente alcalinos.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/wotaichem.com\/pt\/massa-corrida-vs-cimento-branco\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">O cimento branco<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> \u00e9 comumente usado para regular a alcalinidade da pasta. Alternativamente, pode-se usar cal viva ou cal hidratada, mas para <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/guia-definitivo-dos-especialistas-para-aplicacao-de-massa-corrida-de-parede\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">aplica\u00e7\u00f5es de massa corrida<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , o hidr\u00f3xido de c\u00e1lcio em p\u00f3 (p\u00f3 de c\u00e1lcio cinza) \u00e9 mais conveniente.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Redutores de \u00e1gua<\/span><\/span><\/strong><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">A quantidade de \u00e1gua adicionada durante a formula\u00e7\u00e3o afeta significativamente as propriedades mec\u00e2nicas do produto final. Mais \u00e1gua resulta em menor resist\u00eancia. Portanto, para melhorar o desempenho mec\u00e2nico da massa \u2014 especialmente quando s\u00e3o exigidos padr\u00f5es mais elevados \u2014 <\/span><span dir=\"auto\" style=\"vertical-align: inherit;\">utilizam-se <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/superplastificante\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">superplastificantes .<\/span><\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Os tipos mais comuns incluem o superplastificante de melamina (por exemplo, SMF6010) e o superplastificante de policarboxilato modificado (por exemplo, PCE 6020). A dosagem t\u00edpica \u00e9 de 0,2% a 1,0%, atingindo uma taxa de redu\u00e7\u00e3o de \u00e1gua de 20% a 25%.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><a href=\"https:\/\/wotaichem.com\/?attachment_id=32889\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/SMF\u00b72.webp\" class=\"alignnone wp-image-32889 size-full lazyload\" alt=\"Superplastificante de melamina - SMF6010\" width=\"350\" height=\"400\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-32889 size-full\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/SMF\u00b72.webp\" alt=\"Superplastificante de melamina - SMF6010\" width=\"350\" height=\"400\" srcset=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/SMF\u00b72.webp 350w, https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/SMF\u00b72-263x300.webp 263w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/noscript> <\/a><a href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/pce_1-4-4-2\/\" rel=\"attachment wp-att-32890\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/PCE_1.4.4-2.webp\" class=\"alignnone wp-image-32890 size-full lazyload\" alt=\"Superplastificante de policarboxilato PCE 6020\" width=\"350\" height=\"400\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-32890 size-full\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/PCE_1.4.4-2.webp\" alt=\"Superplastificante de policarboxilato PCE 6020\" width=\"350\" height=\"400\" srcset=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/PCE_1.4.4-2.webp 350w, https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/PCE_1.4.4-2-263x300.webp 263w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/noscript><\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 10pt;\"><strong><em><a href=\"https:\/\/wotaichem.com\/pt\/superplastificante-de-melamina\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Superplastificante de melamina &#8211; SMF6010 \ud83d\uded2 <\/span><\/span><\/a>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<a href=\"https:\/\/wotaichem.com\/pt\/superplastificante-policarboxilato\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Superplastificante de policarboxilato &#8211; PCE 6020 \ud83d\uded2<\/span><\/span><\/a><\/em><\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Formulacao_e_ajustes\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Formula\u00e7\u00e3o e ajustes<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Componentes-chave_e_formulacao_basica\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">(1) Componentes-chave e formula\u00e7\u00e3o b\u00e1sica<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Na massa corrida \u00e0 base de gesso, o principal aglutinante \u00e9 o gesso em p\u00f3, enquanto <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/po-de-pva\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">o \u00e1lcool polivin\u00edlico (PVA) em p\u00f3<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> fino \u00e9 usado para a modifica\u00e7\u00e3o org\u00e2nica. Voc\u00ea pode usar gesso de constru\u00e7\u00e3o padr\u00e3o ou gesso derivado de subprodutos industriais, como o fosfogesso ou o gesso dessulfurizado de gases de combust\u00e3o (FGD).<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Esta \u00faltima op\u00e7\u00e3o pode ser uma escolha eficaz e sustent\u00e1vel, desde que haja pesquisa adequada sobre o desempenho do produto \u2014 e muitos estudos t\u00eam sido realizados nessa \u00e1rea nos \u00faltimos anos.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Os materiais de enchimento podem incluir carbonato de c\u00e1lcio pesado, p\u00f3 de quartzo ou talco, geralmente com granulometria de 200 a 325 mesh. Para espessamento e reten\u00e7\u00e3o de \u00e1gua, podem ser utilizados <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fornecedor-de-hidroxipropil-metilcelulose\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u00e9teres de metilcelulose<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> (por exemplo, HPMC, MC com viscosidades de 60.000 a 100.000 mPa\u00b7s) ou <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/hidroxietilmetilcelulose\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u00e9teres de etilcelulose<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> (por exemplo, HEC).<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><a href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/hpmc6-18-2-jpg\/\" rel=\"attachment wp-att-32891\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/HPMC6-18-2.jpg.webp\" class=\"alignnone size-full wp-image-32891 lazyload\" alt=\"\" width=\"350\" height=\"400\"><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-32891\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/HPMC6-18-2.jpg.webp\" alt=\"\" width=\"350\" height=\"400\" srcset=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/HPMC6-18-2.jpg.webp 350w, https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/HPMC6-18-2.jpg-263x300.webp 263w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/noscript><\/a><a href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/hemc6-18\/\" rel=\"attachment wp-att-32884\">\u00a0<\/a><a href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/1-9-7_1-9-7-6-18\/\" rel=\"attachment wp-att-32897\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/1.9.7_1.9.7-6-18.webp\" class=\"alignnone size-full wp-image-32897 lazyload\" alt=\"\" width=\"350\" height=\"400\"><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-32897\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/1.9.7_1.9.7-6-18.webp\" alt=\"\" width=\"350\" height=\"400\" srcset=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/1.9.7_1.9.7-6-18.webp 350w, https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/1.9.7_1.9.7-6-18-263x300.webp 263w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/noscript><\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 10pt;\"><strong><em><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">WOTAIchem\u2122 <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/hidroxipropilmetilcelulose\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">HPMC \ud83d\uded2<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 WOTAIchem\u2122 <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/hidroxietilcelulose\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">HEC \ud83d\uded2<\/span><\/span><\/a><\/em><\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Abaixo, \u00e9 apresentada uma formula\u00e7\u00e3o t\u00edpica de massa corrida \u00e0 base de gesso:<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 8pt;\"><strong><em><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Exemplo de formula\u00e7\u00e3o de massa corrida \u00e0 base de gesso<\/span><\/span><\/em><\/strong><\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%; height: 506px;\">\n<tbody>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 106px;\" rowspan=\"2\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Nome da mat\u00e9ria-prima<\/span><\/span><\/strong><\/td>\n<td style=\"width: 33.3333%; height: 53px;\" colspan=\"2\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Dosagem\/Partes por Peso<\/span><\/span><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">F\u00f3rmula 1<\/span><\/span><\/strong><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">F\u00f3rmula 2<\/span><\/span><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">P\u00f3 de gesso para constru\u00e7\u00e3o<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">500<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">650<\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Carbonato de c\u00e1lcio pesado<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">450<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">350<\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 82px;\">\n<td style=\"width: 33.3333%; height: 82px;\"><a href=\"https:\/\/wotaichem.com\/pt\/rdp-t5010n\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">P\u00f3 RDP sol\u00favel em \u00e1gua T5010N<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> (ou p\u00f3 de acetato de polivinila)<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 82px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">20-30<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 82px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">&#8212;<\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Retardador composto<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">1,5-3,0<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">2,5-3,0<\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Dodecilbenzeno sulfonato de s\u00f3dio<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">25-30<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">&#8212;<\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Bentonita de s\u00f3dio<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">8-15<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">&#8212;<\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 53px;\">\n<td style=\"width: 33.3333%; height: 53px;\"><a href=\"https:\/\/wotaichem.com\/pt\/fabrica-de-hidroxietil-celulose\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Hidroxietilcelulose<\/span><\/span><\/a><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">4,5-6,0<\/span><\/span><\/td>\n<td style=\"width: 33.3333%; height: 53px;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">5,5-6,5<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Analise_da_formula_da_massa_corrida_a_base_de_gesso\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">(2) An\u00e1lise da f\u00f3rmula da massa corrida \u00e0 base de gesso<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Esta f\u00f3rmula de massa corrida para paredes internas \u00e0 base de gesso \u00e9 essencialmente um material comp\u00f3sito inorg\u00e2nico-org\u00e2nico, utilizando ambos os tipos de aglutinantes.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0fA F\u00f3rmula 1<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> foi desenvolvida como uma massa de base para aplica\u00e7\u00e3o sob revestimentos.<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0fA F\u00f3rmula 2<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> serve diretamente como uma massa de acabamento decorativa.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Em compara\u00e7\u00e3o com a massa corrida \u00e0 base de cimento, a massa corrida \u00e0 base de gesso utiliza significativamente mais gesso em p\u00f3, visto que o gesso possui menor resist\u00eancia de ader\u00eancia, mas excelente desempenho decorativo. Al\u00e9m de proporcionar resist\u00eancia de ader\u00eancia e durabilidade f\u00edsica, o gesso tamb\u00e9m melhora a respirabilidade, a estabilidade volum\u00e9trica (n\u00e3o encolhe) e as propriedades est\u00e9ticas.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Normalmente, o gesso representa cerca de 50% do peso na formula\u00e7\u00e3o, podendo essa porcentagem ser aumentada para at\u00e9 85% para um melhor desempenho decorativo e mec\u00e2nico. Esse n\u00edvel de 50% j\u00e1 \u00e9 considerado o m\u00ednimo; reduzi-lo ainda mais n\u00e3o \u00e9 recomendado. Para massas de acabamento, deve-se utilizar gesso de alta brancura e alta resist\u00eancia.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ligantes org\u00e2nicos<\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">O p\u00f3 polim\u00e9rico redispers\u00edvel T5010N \u00e9 um aglutinante org\u00e2nico comercial, tipicamente uma mistura de microp\u00f3 de \u00e1lcool polivin\u00edlico (ou <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/po-de-latex-redispersivel\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">p\u00f3 de l\u00e1tex<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> ), <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/eter-de-celulose-wotai\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u00e9ter de celulose<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> e \u00e9ter de amido ou outros <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/quimico-para-adesivo-de-azulejos\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">adesivos<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . No entanto, muitas vezes \u00e9 mais eficaz e flex\u00edvel usar diretamente o microp\u00f3 de PVA e o \u00e9ter de amido em combina\u00e7\u00e3o.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">De acordo com a <\/span><span dir=\"auto\" style=\"vertical-align: inherit;\">experi\u00eancia da <\/span><\/span><a href=\"https:\/\/wotaichem.com\/about-wotai\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">WOTAIchem :<\/span><\/span><\/a><\/p>\n<blockquote><p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">A adi\u00e7\u00e3o de 1,5% de p\u00f3 de PVA na formula\u00e7\u00e3o proporciona um bom desempenho. <\/span><\/span><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Para o p\u00f3 de l\u00e1tex (frequentemente usado em massa de vidraceiro para revestimento de superf\u00edcies), a dosagem deve ser de no m\u00ednimo 2,0%. <\/span><\/span><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">A adi\u00e7\u00e3o de \u00e9ter de amido melhora ainda mais o desempenho.<\/span><\/span><\/p><\/blockquote>\n<p><span style=\"color: #ff0000;\"><a href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/rdp6-18-2\/\" rel=\"attachment wp-att-32893\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/RDP6-18-2.webp\" class=\"alignnone size-full wp-image-32893 lazyload\" alt=\"\" width=\"350\" height=\"400\"><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-32893\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/RDP6-18-2.webp\" alt=\"\" width=\"350\" height=\"400\" srcset=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/RDP6-18-2.webp 350w, https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/RDP6-18-2-263x300.webp 263w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/noscript> <\/a><a href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/hps6-18%c2%b72\/\" rel=\"attachment wp-att-32895\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/HPS6-18\u00b72.webp\" class=\"alignnone size-full wp-image-32895 lazyload\" alt=\"\" width=\"350\" height=\"400\"><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-32895\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/HPS6-18\u00b72.webp\" alt=\"\" width=\"350\" height=\"400\" srcset=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/HPS6-18\u00b72.webp 350w, https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/HPS6-18\u00b72-263x300.webp 263w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/noscript><\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"font-size: 10pt;\"><em><a href=\"https:\/\/wotaichem.com\/pt\/po-polimerico-redispersivel\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">P\u00f3 de pol\u00edmero redispers\u00edvel (P\u00f3 RDP)\ud83d\uded2\u00a0 <\/span><\/span><\/a>\u00a0 \u00a0 \u00a0\u00a0 \u00a0\u00a0<a href=\"https:\/\/wotaichem.com\/pt\/eter-de-amido\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u00c9ter de amido (HPS)\ud83d\uded2<\/span><\/span><\/a><\/em><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Outros aditivos<\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0fRetardadores de Comp\u00f3sito<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> : Atuam em sinergia com o gesso e podem ser adquiridos como produtos prontos para uso ou formulados pelo pr\u00f3prio cliente.<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0fDodecilbenzeno sulfonato de s\u00f3dio<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> : Atua como dispersante para reduzir a demanda de \u00e1gua.<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0fHexametafosfato de s\u00f3dio<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> : Oferece efeitos dispersantes e retardadores.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Conforme mencionado anteriormente:<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0f<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> A bentonita \u00e0 base de s\u00f3dio \u00e9 um espessante inorg\u00e2nico que melhora a tixotropia e a suavidade da aplica\u00e7\u00e3o.<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0f<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> A hidroxietilcelulose (HEC) \u00e9 crucial para a reten\u00e7\u00e3o de \u00e1gua. Apesar do seu pre\u00e7o mais elevado, a sua utiliza\u00e7\u00e3o insuficiente pode levar ao ressecamento r\u00e1pido, o que \u00e9 especialmente problem\u00e1tico em condi\u00e7\u00f5es de seca na primavera e no ver\u00e3o.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Ajustes_na_formula_da_massa_corrida_a_base_de_gesso\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">(3) Ajustes na f\u00f3rmula da massa corrida \u00e0 base de gesso<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Devido \u00e0s varia\u00e7\u00f5es no gesso em p\u00f3 e nos aditivos, podem ser necess\u00e1rios ajustes com base nas propriedades da mat\u00e9ria-prima ou em requisitos de desempenho espec\u00edficos. Os ajustes incluem:<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0f<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Alterar a dosagem de gesso ou aglutinante para atender \u00e0s necessidades de resist\u00eancia;<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0f<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Modificar a dosagem ou o tipo de retardador para ajustar o tempo de presa;<\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0f<\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Ajustando a quantidade de HEC para o desempenho desejado da aplica\u00e7\u00e3o.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Al\u00e9m disso, pode haver forma\u00e7\u00e3o de espuma durante a aplica\u00e7\u00e3o e, como a f\u00f3rmula base n\u00e3o inclui um <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/antiespumante-de-polieter\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">antiespumante<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , este pode ser adicionado, se necess\u00e1rio.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><a href=\"https:\/\/wotaichem.com\/pt\/massa-de-parede-a-base-de-gesso\/xiaopaoji6-18\/\" rel=\"attachment wp-att-32887\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/xiaopaoji6-18.webp\" class=\"alignnone size-full wp-image-32887 lazyload\" alt=\"\" width=\"650\" height=\"451\"><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-32887\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/xiaopaoji6-18.webp\" alt=\"\" width=\"650\" height=\"451\" srcset=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/xiaopaoji6-18.webp 650w, https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/xiaopaoji6-18-300x208.webp 300w, https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/06\/xiaopaoji6-18-500x347.webp 500w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/noscript><\/a><\/span><\/p>\n<p><strong><span style=\"font-size: 10pt;\"><em><span dir=\"auto\" style=\"vertical-align: inherit;\"><a href=\"https:\/\/wotaichem.com\/pt\/antiespumante-para-aditivos-de-concreto\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Agente antiespumante<\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"> Yuanwang\u2122 \ud83d\uded2<\/span><\/span><\/em><\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ao formular massa corrida para paredes \u00e0 base de gesso, \u00e9 essencial adicionar certos aditivos funcionais adequados \u00e0s propriedades dos aglomerantes \u00e0 base de gesso, como reguladores de alcalinidade e redutores de \u00e1gua . &nbsp; &nbsp; Reguladores de alcalinidade A principal fun\u00e7\u00e3o dos reguladores de alcalinidade \u00e9 ajustar o n\u00edvel de pH da pasta de gesso. Isso ocorre porque certos retardadores t\u00eam melhor desempenho em ambientes levemente alcalinos. &nbsp; O cimento branco \u00e9 comumente usado para regular a alcalinidade da pasta. Alternativamente, pode-se usar cal viva ou cal hidratada, mas para aplica\u00e7\u00f5es de massa corrida , o hidr\u00f3xido de c\u00e1lcio em p\u00f3 (p\u00f3 de c\u00e1lcio cinza) \u00e9 mais conveniente. &nbsp; Redutores de \u00e1gua A quantidade de \u00e1gua adicionada durante a formula\u00e7\u00e3o afeta significativamente as propriedades mec\u00e2nicas do produto final. Mais \u00e1gua resulta em menor resist\u00eancia. Portanto, para melhorar o desempenho mec\u00e2nico da massa \u2014 especialmente quando s\u00e3o exigidos padr\u00f5es mais [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":36240,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36221","post","type-post","status-publish","format-standard","has-post-thumbnail","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/posts\/36221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/comments?post=36221"}],"version-history":[{"count":0,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/posts\/36221\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/media\/36240"}],"wp:attachment":[{"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/media?parent=36221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/categories?post=36221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/tags?post=36221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}