Polyurethane Hardener

Our Polyurethane Hardener is developed for industrial manufacturers seeking improved durability and rapid curing in PU coatings and adhesives. It enhances hardness, chemical resistance, and overall performance in demanding applications such as flooring, automotive coatings, and protective finishes. OEM buyers rely on its stability and controlled reactivity to ensure consistent production output. Compatible with various polyols and catalysts, it supports flexible and rigid PU formulations alike. Designed for professional use, it offers low yellowing and excellent environmental compliance, ensuring long-lasting surface protection and mechanical reliability.
ZCAT Series of PU Catalyst
ZCAT Series of PU Catalyst

Organic Zinc Polyurethane Metal Catalysts

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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-EX16
ZCAT-EX16

Polyurethane Organic Zinc Metal Catalyst for PU Resin

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FOCAT-8002
FOCAT-8002

Polyurethane Foaming Catalyst

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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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CUCAT-GW01
CUCAT-GW01

Catalysts for PU castors and rollers

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Tin catalyst TCAT-S029
Tin catalyst TCAT-S029

high efficiency organo tin catalyst

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CUCAT-HST
CUCAT-HST

Polyurethane Catalyst for two-component polyurethane system

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WCAT-WS17
WCAT-WS17

Moisture-cured Polyurethane Catalyst substitute for DBTDL T12

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ZCAT-T50
ZCAT-T50

Post Curing Orgainc Zinc Catalyst for polyurethane elastomers

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BCAT-E20CX
BCAT-E20CX

Organic Bismuth Metal Polyurethane Catalyst

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BCAT-E28A
BCAT-E28A

Organic Bismuth Metal Catalyst for Polyurethane

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Polyurethane Hardener

The Polyurethane Hardener increases crosslinking density through reaction with hydroxyl or amino functional groups. It provides fast film formation, enhanced hardness, and improved resistance to abrasion and solvents. Suitable for both solvent-based and waterborne systems, it offers adjustable curing rates and compatibility with different resins. It improves final gloss and adhesion, ensuring consistent coating performance. Ideal for industrial coatings, PU adhesives, and elastomeric products requiring strong mechanical endurance.

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