China Defoamer Manufacturer
Yuanwang is a top 3 defoamer manufacturer in China. We offer a range of high-quality defoaming agents including:
Our defoaming agents are for many uses including paper, wastewater treatment, coatings, etc.
- Defoamer for Paper Industry
- Defoamers for Coatings
- Defoamer for Concrete Admixtures
- Defoamer for Wastewater Treatment
With our 20 years of rich experience and reliable products, Yuanwang Company has been a trusted industrial defoamer manufacturer in China.
What is Defoamer and Antifoam? - Difference Between Defoamer and Antifoam
A defoamer is a surfactant. It reduces the surface tension of bubbles, effectively breaking them. It is an additive used to eliminate bubbles in liquids.
· Timing of Action: Defoamers are added after foam forms. They aim to quickly break it down and eliminate it.
· Application Strategy: Ideal for sudden foam issues. It provides a rapid response and eliminates foam immediately.
· Effect Duration: It works quickly to fix foam issues. But, it may need frequent reapplication to tackle ongoing foam.
An antifoam, also known as a foam inhibitor, is a chemical substance that prevents bubble formation in liquids by inhibiting foam generation.
· Timing of Action: Typically added before foam forms. This creates a thin film on the liquid’s surface. It prevents bubbles and controls foam.
· Application Strategy: Best suited for continuous production processes. Add in advance to maintain long-term foam suppression and reduce later interventions.
· Effect Duration: Prioritizes long-lasting foam prevention for extended periods, offering more durable performance.
Although these two agents have distinct functions, defoamers and antifoams are often used together in practice for optimal results. Some defoamers may also have antifoaming properties. They effectively eliminate existing foam while preventing new foam from forming.
At Yuanwang, we tailor our recommendations to your specific requirements and budget. We offer the most suitable antifoam and defoamer solution. Our free expert guidance ensures the best results. It helps you cut costs and deliver high-quality products. If you’re searching for a reliable defoamer manufacturer, our extensive product range and customer support make us the ideal choice.
Yuanwang Manufacturer Defoamer Category

Polyether Defoamer
- Defoamer Ingredients: Made from polyether compounds.
- Effective Defoaming: Performs exceptionally well in aqueous systems, effectively suppressing foam formation. Its antifoaming ability surpasses its defoaming capability.
- Environmentally Friendly: It’s usually non-toxic and harmless. So, it suits food and pharma use.
- Wide Range of Applications: Works with various liquid systems, including water-based coatings, detergents, and emulsions.
Silicone Defoamer
- Defoamer Ingredients: Composed of organosilicon polymers.
- Excellent Defoaming Performance: Quickly reduces surface tension in liquids, rapidly eliminating foam. Offers both strong foam-breaking and foam-suppressing abilities.
- Heat Resistance: It is ideal for high-temperature processes. It maintains stable defoaming effects, even under extreme heat.
- Chemical Stability: Resistant to acids, alkalis, and salts, ensuring reliable performance in chemically challenging environments.


Mineral Oil Defoamer (Oil Based Defoamers)
- Defoamer Ingredients: Composed of active agents and a carrier.
- Readily Available Materials: Made from easily sourced raw materials. This keeps low production costs and competitive pricing.
- High Environmental Performance: Suitable for large-scale applications due to its relatively eco-friendly nature.
- Challenging Usage Conditions: Less effective for dense foam systems and requires specific conditions for optimal performance.
Fatty Alcohol Defoamer
- Defoamer Ingredients: Made from fatty alcohol compounds.
- Good Defoaming Performance: Effectively reduces surface tension in liquids, quickly breaking down foam.
- Biodegradability: Many fatty alcohol defoamers are biodegradable, meeting environmental protection standards.
- Strong Applicability: Suitable for various liquid systems, including detergents, coatings, and emulsions. Performs best in aqueous systems.

Hot Selling Defoamers Grades
China Yuanwang defoamer manufacturer offers a wide range of defoaming agents. Here are the different grades of defoaming agents we offer. There’s always one that’s perfect for you!
China Yuanwang Leading the Way in Defoamer Production
- 5 advanced production bases: Yuanwang has five advanced factories across China. We ensure efficient, strong manufacturing to meet diverse customer needs. These facilities cover over 200,000 square meters, reflecting the scale and capacity of our operations.
- State-of-the-art technology: Each production base is equipped with state-of-the-art technology. It ensures precision and consistency in every batch of defoamers we produce.
- Commitment to sustainable practices: Yuanwang uses eco-friendly materials and processes, making us not only a reliable partner for industries but also a steward of environmental responsibility.
Choose Yuanwang for a seamless combination of innovation, quality, and expert guidance. This will ensure your processes remain efficient and cost-effective!


Adhering to the Concept of Quality First
The Yuanwang manufacturer follows strict defoamer standards at every production stage. We utilize advanced DCS and SIS quality control systems to maintain product stability and reliability.
Additionally, Yuanwang can do thorough testing and provide quality reports certified by reputable third parties. Each batch is fully traceable and has a Certificate of Analysis (COA) for full transparency and quality assurance.
Manufacturing & Delivery
Upon receipt of your advance payment, the production or stocking process typically requires around 5-7 working days.
Shipping Options: FOB, CIF, CFR, etc.
Packaging: 25kg/drum, 200kg/drum, one-ton container
Place of Origin: Made in China
Port of Loading: Qingdao Port, China

Defoamer Uses in Various Industries
Related Construction Additives
FAQ
Have any questions for us? We have answers, most of the time.
The defoamer mechanism mainly involves three steps to eliminate foam effectively:
- Reducing surface tension: It lowers the liquid’s surface tension, making it harder for bubbles to stay intact.
- Breaking the bubble structure: It weakens and destroys the bubble’s outer film.
- Preventing bubble formation: It interferes with the process that creates bubbles in the first place.
The defoamer is a kind of surfactant. The active ingredients in defoamers penetrate the boundary between liquid and air, reducing surface tension and making the bubble’s film weaker and more likely to burst.
The defoamer molecules also get inside the bubble’s film, altering its physical and chemical properties, making it unstable and causing the trapped air to escape quickly.
Additionally, defoamers can prevent new bubbles from forming by interacting with certain components in the liquid, effectively reducing or eliminating foam production.
Contact Us


























