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.
CUCAT-HAA
CUCAT-HAA

Bubble-free Catalyst for Polyurethane Elastomers

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CUCAT-V17/V18
CUCAT-V17/V18

Non-foaming Catalyst for low TVOC PU plastic runway resin

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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-E28A
BCAT-E28A

Organic Bismuth Metal Catalyst for Polyurethane

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ZCAT-X16
ZCAT-X16

Polyurethane Organic Zinc Metal Catalyst for PU Resin

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Polyaspartic Catalyst CUCAT-TD01
Polyaspartic Catalyst CUCAT-TD01

Eco-friendly Catalyst for Polyaspartic Floor Coating

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WCAT-WS8
WCAT-WS8

Eco-friendly Catalyst for Silicon PU Stadium Pavement

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CUCAT-DG01/DG02
CUCAT-DG01/DG02

Non-foaming PU Catalyst substitute for organic mercury

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Polyurethane Catalyst CUCAT-HAB
Polyurethane Catalyst CUCAT-HAB

Bubble-free Catalyst for Polyurethane Elastomer and Adhesive & Sealant

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WCAT-WS12A
WCAT-WS12A

Eco-friendly Catalyst for Silicon PU Stadium Pavement

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BCAT-E28B
BCAT-E28B

Organic Bismuth Metal Catalyst for Polyurethane

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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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