PU Hardener

The PU Hardener supports polyurethane manufacturers aiming for fast-curing, durable, and high-gloss coatings. It accelerates reaction kinetics, improving surface hardness and resistance to chemicals. OEM customers in automotive and flooring industries choose this additive to ensure consistent curing and production throughput. It offers excellent compatibility with PU prepolymers and polyols, optimizing pot life and final strength. Environmentally compliant and low-VOC, it’s designed for large-scale industrial use, supporting high-performance finishing lines.
CUCAT Series of Bubble Free Catalyst
CUCAT Series of Bubble Free Catalyst

Eco-friendly Bubble-free Non Foaming Polyurethane Catalyst

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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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WCAT-WS2
WCAT-WS2

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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WCAT-WS8
WCAT-WS8

Eco-friendly Catalyst for Silicon PU Stadium Pavement

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BCAT-E28A
BCAT-E28A

Organic Bismuth Metal Catalyst for Polyurethane

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CUCAT-V17/V18
CUCAT-V17/V18

Non-foaming 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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CUCAT-K6
CUCAT-K6

Eco-friendly Non-foaming Polyurethane Catalyst for PU Elastomers

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CUCAT-SW02D
CUCAT-SW02D

Polyurethane Catalyst for Elastomers of polyester system

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CUCAT-RM60
CUCAT-RM60

Eco-friendly Polyurethane Thermosensitive Delay Catalyst

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BCAT-E28B
BCAT-E28B

Organic Bismuth Metal Catalyst for Polyurethane

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FOCAT-8002
FOCAT-8002

Polyurethane Foaming Catalyst

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PU Hardener

The PU Hardener acts as a reactive component that boosts crosslinking efficiency within polyurethane matrices. It enhances polymer cohesion and film integrity, shortening drying times. Depending on formulation, it can be aromatic or aliphatic, each with distinct performance traits. It maintains transparency and prevents yellowing during aging. Suitable for PU coatings, sealants, and adhesives, it ensures uniform curing and superior durability.

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