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.
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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AUCAT-101
AUCAT-101

Tin Free Anti-hydrolysis PU Catalyst for Polyurethane Paint

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FOCAT-8004M
FOCAT-8004M

Tin Free Anti-hydrolysis PU Foaming Catalyst

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PU Catalyst CUCAT-PD
PU Catalyst CUCAT-PD

Eco-friendly Catalyst for Polyurethane

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WCAT-WP01
WCAT-WP01

Moisture-cured PU Catalyst for Aliphatic Isocynate System

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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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CUCAT-GF01/GF02
CUCAT-GF01/GF02

Eco-friendly Polyurethane Catalyst substitute for DBTDL T-12

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WCAT-WS17
WCAT-WS17

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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Polyurethane Catalyst AUCAT-7015
Polyurethane Catalyst AUCAT-7015

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Polyurethane Catalyst CUCAT-FS01
Polyurethane Catalyst CUCAT-FS01

PU Catalyst for two-component waterproof coating

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CUCAT-E01
CUCAT-E01

Polyurethane Catalyst Replace Mercury Catalyst for Elastomers

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CUCAT-U2
CUCAT-U2

PU Catalyst for synthesis of waterborne isocyanate curing agent

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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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