Anti-Hydrolysis Agent for PU Sealant

The Anti-Hydrolysis Agent for PU Sealant is formulated to extend the service life and reliability of polyurethane sealants in construction, transportation, and industrial applications. Designed for manufacturers and OEM suppliers, it helps maintain elasticity, adhesion, and appearance even under severe humidity or weathering exposure. Our additive strengthens molecular bonds, preventing degradation and cracking over time. It’s part of our comprehensive PU auxiliary product line tailored for long-term sealing performance, offering customers higher material stability, lower maintenance costs, and improved product quality assurance.
FOCAT Series PU Catalyst
FOCAT Series PU Catalyst

Eco-friendly Polyurethane Foam Catalyst

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PU Catalyst CUCAT-PD
PU Catalyst CUCAT-PD

Eco-friendly Catalyst for Polyurethane

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WCAT-WS12A
WCAT-WS12A

Eco-friendly Catalyst for Silicon PU Stadium Pavement

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CUCAT-E03
CUCAT-E03

PU Catalyst substitute for Mercury Catalyst

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Polyurethane Catalyst CUCAT-TY01
Polyurethane Catalyst CUCAT-TY01

Bubble-free Catalyst for PU plastic runway resin

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PU catalyst AUCAT-AS11
PU catalyst AUCAT-AS11

Anti-Hydrolysis Polyurethane Catalyst AUCAT-AS11

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WCAT-WS11-WS11A
WCAT-WS11-WS11A

Eco-friendly Catalyst for low TVOC sport track resin and silicon PU stadium pavement

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CUCAT-HC
CUCAT-HC

Non-foaming PU Catalyst for Polyurethane Elastomers

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Tin-free PU catalyst WCAT-WH03
Tin-free PU catalyst WCAT-WH03

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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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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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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CUCAT-V19
CUCAT-V19

Non-foaming Catalyst for low TVOC PU plastic runway resin

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Anti-Hydrolysis Agent for PU Sealant

This Anti-Hydrolysis Agent for PU Sealant chemically stabilizes polyurethane polymers by neutralizing moisture-sensitive sites, reducing ester bond hydrolysis. It improves long-term flexibility, adhesion, and resistance to water and chemicals. Suitable for moisture-curing and two-component PU sealants, it provides outstanding stability under temperature cycling and UV exposure. The additive ensures consistent viscosity and workability during application while preserving sealing strength and elasticity. Ideal for vertical joints, automotive seams, and structural applications.

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