Additives for PU sealant

The additives for PU sealant portfolio is developed for sealant manufacturers needing control over curing speed, adhesion, and long-term flexibility. These additives enhance cohesion, reduce shrinkage, and improve UV and chemical resistance. Perfect for OEM building, automotive, and electronics applications, they ensure smooth application and stable curing. They also prevent bubble formation and cracking under temperature cycling. With custom additive packages available for one- or two-component sealants, we help global producers achieve superior sealing and bonding performance in demanding environments.
WCAT-WS8
WCAT-WS8

Eco-friendly Catalyst for Silicon PU Stadium Pavement

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BCAT-20AP
BCAT-20AP

Eco-friendly PU Organic Bismuth Catalyst for Polyurethane Sport Track Resin and PU Sealant

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WCAT Series of PU Catalysts
WCAT Series of PU Catalysts

Eco-friendly Moisture-cured Polyurethane Catalyst

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CUCAT-GF01/GF02
CUCAT-GF01/GF02

Eco-friendly Polyurethane Catalyst substitute for DBTDL T-12

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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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Polyurethane Catalyst AUCAT-7015
Polyurethane Catalyst AUCAT-7015

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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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BCAT Series of PU Catalyst
BCAT Series of PU Catalyst

Organic Bismuth Polyurethane Metal 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-HST
CUCAT-HST

Polyurethane Catalyst for two-component polyurethane system

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Polyurethane Catalyst CUCAT-TY01
Polyurethane Catalyst CUCAT-TY01

Bubble-free Catalyst for PU plastic runway resin

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AUCAT-1301
AUCAT-1301

Tin Free Anti-hydrolysis PU Catalyst for shoes adhesive

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Additives for PU sealant

Additives for PU sealant are formulated to improve flow control, curing kinetics, and adhesion to multiple substrates. They include plasticizers, anti-foaming agents, and catalysts that stabilize the polymer matrix during curing. These additives enhance elongation and tensile properties, ensuring long-lasting sealing performance. Compatible with polyether and polyester systems, they deliver reliable mechanical integrity and environmental resistance.

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