Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik Kat 245 Crosslinker Catalyst

Evonik Kat 245 is a high-performance crosslinker catalyst from Evonik’s KAT series, specifically designed for polyurethane and coating systems. It accelerates curing at ambient temperatures, enhances film hardness and chemical resistance, and offers excellent storage stability. Widely used in automotive refinishes and industrial coatings, Kat 245 delivers consistent reactivity without compromising pot life or final film properties.
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Features Of Evonik Kat 245 Crosslinker Catalyst

  1. Highly efficient tin-free catalyst for polyurethane and polyester-based crosslinking systems.

  2. Enables low-temperature curing without compromising film hardness or chemical resistance.

  3. Excellent storage stability in two-component coating and adhesive formulations.

  4. Low volatility and reduced odor profile compared to traditional amine or metal-based catalysts.

  5. Compatible with hydroxyl- and carboxyl-functional resins, supporting broad formulation flexibility.

Typical Applications Of Evonik Kat 245 Crosslinker Catalyst

  1. Automotive clearcoats and basecoats requiring rapid ambient or low-bake cure.

  2. Industrial maintenance coatings for metal substrates exposed to harsh environments.

  3. Wood finishing systems where low VOC and minimal yellowing are critical.

  4. High-performance coil coatings demanding excellent edge coverage and flexibility.

Specifications Of Evonik Kat 245 Crosslinker Catalyst

Chemical TypeOrganic complex catalyst (non-metallic, tin-free)
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsPolyurethane and polyester crosslinking in coatings and adhesives
Key FeaturesLow-temperature cure, tin-free, low-VOC compliant
BenefitsImproved pot life, enhanced substrate adhesion, reduced emissions
Storage Stability≥12 months at 20–25 °C in sealed original container


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