curing agent for PU sealant

Our curing agent for PU sealant is developed to enhance the curing rate and long-term performance of polyurethane sealants. It ensures excellent elasticity, bonding strength, and resistance to moisture and chemicals. Designed for OEM and construction clients, this additive provides optimal flexibility and weather resistance, making it suitable for automotive, architectural, and industrial sealing applications. As a specialized PU auxiliary manufacturer, we offer tailored solutions that improve production stability and storage life. The curing agent for PU sealant supports both one-component and two-component PU systems, ensuring uniform curing and consistent seal integrity.
CUCAT-SW02D
CUCAT-SW02D

Polyurethane Catalyst for Elastomers of polyester system

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CUCAT-HC
CUCAT-HC

Non-foaming PU Catalyst for Polyurethane Elastomers

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CUCAT-E02
CUCAT-E02

Polyurethane Catalyst substitute for Mercury Catalyst

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WCAT-WS17
WCAT-WS17

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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FOCAT-8002
FOCAT-8002

Polyurethane Foaming Catalyst

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CUCAT-HAA
CUCAT-HAA

Bubble-free Catalyst for Polyurethane Elastomers

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BCAT-E20
BCAT-E20

Eco-friendly Polyurethane Organic Bismuth Metal Catalyst

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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-HS
CUCAT-HS

Non-foaming PU Catalyst for Polyurethane Elastomers

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CUCAT-HST
CUCAT-HST

Polyurethane Catalyst for two-component polyurethane system

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BCAT-20BP
BCAT-20BP

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

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CUCAT-DG01/DG02
CUCAT-DG01/DG02

Non-foaming PU Catalyst substitute for organic mercury

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curing agent for PU sealant

The curing agent for PU sealant initiates and accelerates crosslinking reactions between polyurethane prepolymers and moisture or curing agents. It enhances cohesive strength, elongation, and resistance to thermal stress. This curing agent offers adjustable reactivity for specific formulations, enabling fast or slow cure profiles depending on application needs. The curing agent for PU sealant ensures smooth curing in thick joint applications, maintaining elasticity and preventing surface tackiness. It provides stable performance in construction, glazing, and automotive sealant systems.

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