latent hardener for polyurethane

The latent hardener for polyurethane is a next-generation curing system designed for precision control in PU adhesive, coating, and elastomer production. It allows formulators to delay reaction initiation until specific conditions (e.g., heat activation) are reached. This feature enhances storage stability and processing safety. As an innovation-driven supplier, we deliver latent hardeners that ensure complete crosslinking, mechanical strength, and chemical durability after activation. The latent hardener for polyurethane is ideal for industrial applications demanding high performance and long shelf life, such as automotive adhesives, high-end coatings, and composite bonding.
CUCAT-V19
CUCAT-V19

Non-foaming Catalyst for low TVOC PU plastic runway resin

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AUCAT Series of PU Catalysts
AUCAT Series of PU Catalysts

Eco-friendly Anti-hydrolysis Polyurethane Catalyst

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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 Series of PU Catalysts
WCAT Series of PU Catalysts

Eco-friendly Moisture-cured Polyurethane Catalyst

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Polyurethane Catalyst CUCAT-FS01
Polyurethane Catalyst CUCAT-FS01

PU Catalyst for two-component waterproof coating

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CUCAT-HC
CUCAT-HC

Non-foaming PU Catalyst for Polyurethane Elastomers

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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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FOCAT-8004M
FOCAT-8004M

Tin Free Anti-hydrolysis PU Foaming Catalyst

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AUCAT-1301
AUCAT-1301

Tin Free Anti-hydrolysis PU Catalyst for shoes adhesive

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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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BCAT-E28B
BCAT-E28B

Organic Bismuth Metal Catalyst for Polyurethane

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CUCAT-PDAA
CUCAT-PDAA

PU Catalyst for polyurethane elastomers

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latent hardener for polyurethane

The latent hardener for polyurethane remains inactive at room temperature but becomes reactive when heated, triggering polymer crosslinking. This controlled curing mechanism enhances processing flexibility and extends pot life. It ensures complete curing with improved hardness, tensile strength, and heat resistance. The additive is compatible with both MDI and TDI-based PU systems. The latent hardener for polyurethane ensures low viscosity, excellent dispersion, and stable performance in industrial production of adhesives, coatings, and molded components.

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