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.
PU catalyst AUCAT-AS11
PU catalyst AUCAT-AS11

Anti-Hydrolysis Polyurethane Catalyst AUCAT-AS11

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ZCAT-T50
ZCAT-T50

Post Curing Orgainc Zinc Catalyst for polyurethane elastomers

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Polyurethane Catalyst AUCAT-7015
Polyurethane Catalyst AUCAT-7015

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CUCAT-HAA
CUCAT-HAA

Bubble-free Catalyst for Polyurethane Elastomers

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ZCAT Series of PU Catalyst
ZCAT Series of PU Catalyst

Organic Zinc Polyurethane Metal Catalysts

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CUCAT-HS
CUCAT-HS

Non-foaming PU Catalyst for Polyurethane Elastomers

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CUCAT-HA02
CUCAT-HA02

Eco-friendly Catalyst for Polyurethane polyurea

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WCAT-WS17
WCAT-WS17

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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Tin Catalyst TCAT-NS01
Tin Catalyst TCAT-NS01

high efficiency chelated tin catalyst

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WCAT-WQ01
WCAT-WQ01

Catalyst for latent curing PU system

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WCAT-WS2
WCAT-WS2

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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CUCAT-U2
CUCAT-U2

PU Catalyst for synthesis of waterborne isocyanate curing agent

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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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