auxiliaries for PU sealant

The auxiliaries for PU sealant collection offers industrial formulators a range of chemical tools for high-performance sealing and bonding systems. Designed for OEM production, these auxiliaries ensure smooth application, stable curing, and long-term flexibility. They improve adhesion to diverse materials like concrete, glass, and plastic while preventing shrinkage and bubble formation. Our solutions are optimized for both one- and two-component sealant systems used in construction joints, glazing, and automotive sealing. All auxiliaries are VOC-compliant and engineered for environmental durability, providing consistent curing and excellent weather resistance for global manufacturers.
ZCAT-X16
ZCAT-X16

Polyurethane Organic Zinc Metal Catalyst for PU Resin

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Bismuth and Zinc Composite Catalyst BX-EM14
Bismuth and Zinc Composite Catalyst BX-EM14

Bismuth and Zinc Composite Catalyst BX-EM14

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FOCAT Series PU Catalyst
FOCAT Series PU Catalyst

Eco-friendly Polyurethane Foam Catalyst

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Tin catalyst TCAT-S029
Tin catalyst TCAT-S029

high efficiency organo tin catalyst

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BCAT-E28A
BCAT-E28A

Organic Bismuth Metal Catalyst for Polyurethane

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Tin Catalyst TCAT-NS01
Tin Catalyst TCAT-NS01

high efficiency chelated tin catalyst

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ZCAT-EZ19
ZCAT-EZ19

Eco-friendly PU Organic Zinc Catalyst for Polyurethane Sport Track and PU running track

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CUCAT-HAA
CUCAT-HAA

Bubble-free Catalyst for Polyurethane Elastomers

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WCAT-W30B
WCAT-W30B

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

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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 Series of PU Catalysts
AUCAT Series of PU Catalysts

Eco-friendly Anti-hydrolysis Polyurethane Catalyst

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ZCAT Series of PU Catalyst
ZCAT Series of PU Catalyst

Organic Zinc Polyurethane Metal Catalysts

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auxiliaries for PU sealant

The auxiliaries for PU sealant include flow control agents, plasticizers, adhesion enhancers, and curing modifiers that ensure even film formation and mechanical integrity. They regulate curing speed, maintain elasticity, and prevent surface cracking. Chemically compatible with both polyether and polyester PU systems, they stabilize viscosity under storage and processing conditions. These auxiliaries improve long-term adhesion and moisture resistance, ensuring excellent performance under dynamic and environmental stress.

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