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-G5A
CUCAT-G5A

Low Free TDI Trimer Catalyst

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ZCAT-X16
ZCAT-X16

Polyurethane Organic Zinc Metal Catalyst for PU Resin

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CUCAT-E02
CUCAT-E02

Polyurethane Catalyst substitute for Mercury Catalyst

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AUCAT Series of PU Catalysts
AUCAT Series of PU Catalysts

Eco-friendly Anti-hydrolysis Polyurethane Catalyst

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WCAT-WS17
WCAT-WS17

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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AUCAT-1001E
AUCAT-1001E

Tin Free Anti-hydrolysis Polyurethane Catalyst

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BCAT-E28A
BCAT-E28A

Organic Bismuth Metal Catalyst for Polyurethane

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AUCAT-1301
AUCAT-1301

Tin Free Anti-hydrolysis PU Catalyst for shoes adhesive

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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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WCAT-WS13A
WCAT-WS13A

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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CUCAT-HA02
CUCAT-HA02

Eco-friendly Catalyst for Polyurethane polyurea

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WCAT-WS2
WCAT-WS2

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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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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