{"id":36090,"date":"2025-05-14T01:32:00","date_gmt":"2025-05-14T01:32:00","guid":{"rendered":"https:\/\/wotaichem.com\/?p=32685"},"modified":"2026-02-27T07:36:22","modified_gmt":"2026-02-27T07:36:22","slug":"por-que-a-massa-corre-racha","status":"publish","type":"post","link":"https:\/\/wotaichem.com\/pt\/por-que-a-massa-corre-racha\/","title":{"rendered":"Por que a massa corre racha? 3 causas comuns e como corrigi-las"},"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\/por-que-a-massa-corre-racha\/#Causas_de_rachaduras\" >Causas de rachaduras<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/wotaichem.com\/pt\/por-que-a-massa-corre-racha\/#Prevencao_e_Solucoes\" >Preven\u00e7\u00e3o e Solu\u00e7\u00f5es<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/wotaichem.com\/pt\/por-que-a-massa-corre-racha\/#Como_a_WOTAIchem_pode_ajudar\" >Como a WOTAIchem pode ajudar<\/a><\/li><\/ul><\/nav><\/div>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Por que a massa de vidraceiro racha? Rachaduras nas camadas de massa de vidraceiro (tamb\u00e9m chamadas de pel\u00edculas de massa) podem ocorrer de algumas maneiras diferentes:<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">1\ufe0f\u20e3Grandes rachaduras aparecem logo ap\u00f3s a massa secar.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">2\ufe0f\u20e3Finas fissuras podem aparecer se a parede ficar sem pintura por algum tempo ap\u00f3s a aplica\u00e7\u00e3o da massa corrida.<\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">3\ufe0f\u20e3Algumas \u00e1reas da mesma parede racham, enquanto outras n\u00e3o.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Esses tipos de rachaduras ocorrem por diferentes motivos e exigem solu\u00e7\u00f5es diferentes.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/wotaichem.com\/pt\/por-que-a-massa-corre-racha\/robert-zunikoff-f_bavjxyzf4-unsplash\/\" rel=\"attachment wp-att-32689\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/05\/robert-zunikoff-F_baVJxyzF4-unsplash-scaled-1.jpg\" class=\"alignnone wp-image-32689 size-full lazyload\" alt=\"Por que a massa de vidraceiro racha?\" width=\"2560\" height=\"1707\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-32689 size-full\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/05\/robert-zunikoff-F_baVJxyzF4-unsplash-scaled-1.jpg\" alt=\"Por que a massa de vidraceiro racha?\" width=\"2560\" height=\"1707\"><\/noscript><\/a><\/p>\n<h2><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Causas_de_rachaduras\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Causas de rachaduras<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Rachaduras logo ap\u00f3s a secagem:<\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Isso geralmente significa que a qualidade da massa \u00e9 ruim. Especificamente, sua resist\u00eancia a rachaduras em est\u00e1gio inicial n\u00e3o atende aos padr\u00f5es da ind\u00fastria. Massas de baixa qualidade n\u00e3o t\u00eam for\u00e7a de ades\u00e3o suficiente quando secam pela primeira vez.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Rachaduras que aparecem ap\u00f3s algum tempo sem pintura:<\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">A massa corrida \u00e9 feita de <\/span><\/span><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 (RDP)<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> e <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/cimento-com-formato-de-calcio\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">cimento<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Se a superf\u00edcie n\u00e3o for pintada logo ap\u00f3s <\/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;\">a aplica\u00e7\u00e3o da massa<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , a \u00e1gua presente nela evapora antes que o cimento endure\u00e7a completamente (hidrate). Ao secar, a massa encolhe e, como a ader\u00eancia n\u00e3o \u00e9 suficiente, pequenas fissuras aparecem.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">No entanto, se voc\u00ea pintar a superf\u00edcie a tempo, a tinta ajuda a reter a umidade, permitindo que o cimento continue <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/aditivos-para-concreto-de-cura-rapida\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">a curar<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Isso d\u00e1 mais resist\u00eancia \u00e0 pel\u00edcula de massa e ajuda a evitar rachaduras.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Rachaduras em algumas \u00e1reas, mas n\u00e3o em outras:<\/span><\/span><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Isso geralmente significa que a camada de massa foi aplicada muito grossa ou de forma irregular. As \u00e1reas mais espessas encolhem mais ao secar, o que causa tens\u00e3o e rachaduras nessas regi\u00f5es.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Prevencao_e_Solucoes\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Preven\u00e7\u00e3o e Solu\u00e7\u00f5es<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Para rachaduras logo ap\u00f3s a secagem:<\/span><\/span><\/strong><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Use massa de vidraceiro de melhor qualidade. Isso significa aumentar a quantidade de aglutinantes org\u00e2nicos, como <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/po-redispersivel\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">p\u00f3 de pol\u00edmero redispers\u00edvel<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> ou <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/fornecedor-de-alcool-polivinilico\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">p\u00f3 de \u00e1lcool polivin\u00edlico<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . Esses materiais ajudam a massa a manter-se flex\u00edvel e a resistir a rachaduras durante a secagem. Evite usar cargas ultrafinas (como carbonato de c\u00e1lcio muito fino), pois elas exigem mais aglutinante e podem aumentar a retra\u00e7\u00e3o, tornando as rachaduras mais prov\u00e1veis.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Para rachaduras causadas por atraso na pintura:<\/span><\/span><\/strong><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Certifique-se de pintar a parede logo ap\u00f3s aplicar a massa. Isso ajuda a reter a umidade e permite que a massa cure completamente.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Para fissuras irregulares na mesma parede:<\/span><\/span><\/strong><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Evite aplicar a massa em uma camada muito grossa de uma s\u00f3 vez. Aplique em camadas finas e uniformes para manter a espessura consistente e reduzir o estresse causado pela secagem.<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/wotaichem.com\/pt\/por-que-a-massa-corre-racha\/1-10-3_1-10-3\/\" rel=\"attachment wp-att-32690\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/05\/1.10.3_1.10.3-scaled-1.png\" class=\"alignnone wp-image-32690 size-full lazyload\" alt=\"VAE RDP\" width=\"2560\" height=\"1707\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-32690 size-full\" src=\"https:\/\/wotaichem.com\/pt\/wp-content\/uploads\/2025\/05\/1.10.3_1.10.3-scaled-1.png\" alt=\"VAE RDP\" width=\"2560\" height=\"1707\"><\/noscript><\/a><\/p>\n<h2><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Como_a_WOTAIchem_pode_ajudar\"><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Como <\/span><\/span><a href=\"https:\/\/wotaichem.com\/about-wotai\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">a WOTAIchem<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> pode ajudar<\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/wotaichem.com\/pt\/po-redispersivel\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Para solucionar e prevenir esses problemas de fissuras, a WOTAIchem oferece p\u00f3s polim\u00e9ricos redispers\u00edveis de<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> alto desempenho, <\/span><span dir=\"auto\" style=\"vertical-align: inherit;\">especificamente desenvolvidos para melhorar a qualidade da massa de vidraceiro. Nossos produtos ajudam a:<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0fAumenta a resist\u00eancia a fissuras em est\u00e1gios iniciais <\/span><\/span><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0fMelhora a ades\u00e3o e a flexibilidade <\/span><\/span><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0fReduz a retra\u00e7\u00e3o durante a secagem <\/span><\/span><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u25aa\ufe0fProporciona aplica\u00e7\u00e3o uniforme e durabilidade a longo prazo<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Quer voc\u00ea esteja lidando com rachaduras grandes, fissuras superficiais finas ou resultados irregulares, <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/po-vae-rdp-china\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">os p\u00f3s RDP<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> da WOTAIchem oferecem a resist\u00eancia e a flexibilidade que sua <\/span><\/span><a href=\"https:\/\/wotaichem.com\/pt\/composicao-da-massa-para-paredes\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">formula\u00e7\u00e3o<\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> precisa.<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Por que a massa de vidraceiro racha? Rachaduras nas camadas de massa de vidraceiro (tamb\u00e9m chamadas de pel\u00edculas de massa) podem ocorrer de algumas maneiras diferentes: &nbsp; 1\ufe0f\u20e3Grandes rachaduras aparecem logo ap\u00f3s a massa secar. 2\ufe0f\u20e3Finas fissuras podem aparecer se a parede ficar sem pintura por algum tempo ap\u00f3s a aplica\u00e7\u00e3o da massa corrida. 3\ufe0f\u20e3Algumas \u00e1reas da mesma parede racham, enquanto outras n\u00e3o. &nbsp; Esses tipos de rachaduras ocorrem por diferentes motivos e exigem solu\u00e7\u00f5es diferentes. &nbsp; Causas de rachaduras &nbsp; Rachaduras logo ap\u00f3s a secagem: &nbsp; Isso geralmente significa que a qualidade da massa \u00e9 ruim. Especificamente, sua resist\u00eancia a rachaduras em est\u00e1gio inicial n\u00e3o atende aos padr\u00f5es da ind\u00fastria. Massas de baixa qualidade n\u00e3o t\u00eam for\u00e7a de ades\u00e3o suficiente quando secam pela primeira vez. &nbsp; Rachaduras que aparecem ap\u00f3s algum tempo sem pintura: &nbsp; A massa corrida \u00e9 feita de p\u00f3 de pol\u00edmero redispers\u00edvel (RDP) e cimento . [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":36134,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36090","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\/36090","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=36090"}],"version-history":[{"count":0,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/posts\/36090\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/media\/36134"}],"wp:attachment":[{"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/media?parent=36090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/categories?post=36090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wotaichem.com\/pt\/wp-json\/wp\/v2\/tags?post=36090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}