defoamer for PU sealant

The defoamer for PU sealant supports industrial sealant producers in maintaining consistent film smoothness and elasticity. It prevents air entrapment during mixing and application, minimizing defects in construction and automotive sealing lines. Formulated for both one- and two-component PU sealants, it improves aesthetic quality and bonding performance. With excellent chemical stability and long-term effectiveness, it helps OEM partners achieve higher yield and productivity. Our low-VOC defoamers comply with global environmental standards and ensure clean, durable sealing under diverse conditions.
Bismuth and Zinc Composite Catalyst BX-EM23
Bismuth and Zinc Composite Catalyst BX-EM23

organic bismuth and zinc composite catalyst

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CUCAT-HA02
CUCAT-HA02

Eco-friendly Catalyst for Polyurethane polyurea

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WCAT-W30B
WCAT-W30B

Eco-friendly Polyurethane catalyst for micro foaming material of silicon PU stadium

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CUCAT-RM60
CUCAT-RM60

Eco-friendly Polyurethane Thermosensitive Delay Catalyst

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Bismuth and Zinc Composite Catalyst BX-EM23A
Bismuth and Zinc Composite Catalyst BX-EM23A

organic bismuth and zinc composite catalyst

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CUCAT-U2
CUCAT-U2

PU Catalyst for synthesis of waterborne isocyanate curing agent

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Low TVOC catalyst CUCAT-V17A&18
Low TVOC catalyst CUCAT-V17A&18

Bubble-free Catalyst for low TVOC PU plastic runway resin

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AUCAT-RM301
AUCAT-RM301

Anti-hydrolysis Polyurethane Thermal Sensitive Catalyst

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ZCAT-Z19P
ZCAT-Z19P

Eco-friendly PU Organic Zinc Catalyst for Polyurethane Sport Track Resin and silicon PU

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CUCAT-E03
CUCAT-E03

PU Catalyst substitute for Mercury Catalyst

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WCAT-WQ01
WCAT-WQ01

Catalyst for latent curing PU system

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WCAT-WS17
WCAT-WS17

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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defoamer for PU sealant

The defoamer for PU sealant eliminates trapped air and microfoam during compounding and extrusion. It maintains viscosity uniformity and prevents crater formation on cured surfaces. The product is resistant to heat, shear, and reactive isocyanate environments, ensuring compatibility with PU sealant formulations. It supports even curing and strong adhesion without affecting elasticity, weather resistance, or gloss.

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