defoamer for PU coating

Our defoamer for PU coating is optimized for coating manufacturers demanding flawless surface appearance. Designed for both solvent-based and waterborne PU coatings, it efficiently suppresses microfoam and improves film clarity. The defoamer ensures consistent gloss and excellent leveling even under high-speed application. OEM coating producers and export brands rely on our solutions to improve production yield and minimize surface defects. Environmentally friendly and low-VOC, this defoamer ensures compliance with modern coating regulations while maintaining optimal coating rheology.

WCAT Series of PU Catalysts

Eco-friendly Moisture-cured Polyurethane Catalyst

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BCAT-E28B

Organic Bismuth Metal Catalyst for Polyurethane

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Polyurethane Catalyst AUCAT-7015

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PU catalyst AUCAT-AS11

Anti-Hydrolysis Polyurethane Catalyst AUCAT-AS11

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CUCAT-K6

Eco-friendly Non-foaming Polyurethane Catalyst for PU Elastomers

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AUCAT-1001E

Tin Free Anti-hydrolysis Polyurethane Catalyst

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BCAT-E20

Eco-friendly Polyurethane Organic Bismuth Metal Catalyst

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CUCAT-HC

Non-foaming PU Catalyst for Polyurethane Elastomers

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BCAT-E28A

Organic Bismuth Metal Catalyst for Polyurethane

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CUCAT-HST

Polyurethane Catalyst for two-component polyurethane system

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PU Catalyst CUCAT-PD

Eco-friendly Catalyst for Polyurethane

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CUCAT-G5A

Low Free TDI Trimer Catalyst

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defoamer for PU coating

The defoamer for PU coating combines controlled spreading agents with active components that quickly destroy microfoam during dispersion and film formation. It enhances wetting, prevents crater formation, and ensures uniform gloss. Compatible with various polyurethane resins, it maintains storage stability and does not compromise color or adhesion. Suitable for roller, spray, and dip applications, it delivers consistent surface quality across industrial coating lines.