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

Evonik Vestanat IPDI Curing Agent

Evonik Vestanat IPDI Curing Agent is a high-performance aliphatic isophorone diisocyanate-based hardener for premium two-component polyurethane coatings. It delivers exceptional UV resistance, gloss retention, and chemical durability. Ideal for automotive refinish, industrial maintenance, and high-end architectural applications requiring long-term weatherability and low-yellowing performance.
  • evonik vestanat ipdi curing agent_fcebcecc
  • evonik vestanat ipdi curing agent_fcebcecc

Features Of Evonik Vestanat IPDI Curing Agent

  1. High chemical resistance due to its aliphatic isocyanate structure and low aromatic content.

  2. Excellent UV stability and color retention, making it ideal for outdoor and high-gloss coatings.

  3. Low viscosity and good compatibility with a wide range of hydroxyl-functional resins (e.g., polyesters, acrylics, polycarbonates).

  4. Controlled reactivity enables extended pot life and improved processing flexibility in 2K polyurethane systems.

  5. Meets stringent regulatory requirements including REACH compliance and VOC-reduced formulation suitability.

Typical Applications Of Evonik Vestanat IPDI Curing Agent

  1. High-performance automotive clearcoats and OEM refinish coatings.

  2. Industrial maintenance coatings for infrastructure, machinery, and metal substrates.

  3. Premium architectural coatings requiring long-term gloss and weatherability.

  4. Plastic coatings for ABS, PC, and other engineering thermoplastics.

  5. Wood coatings for furniture and flooring demanding durability and aesthetic clarity.

Specifications Of Evonik Vestanat IPDI Curing Agent

Chemical TypeAliphatic isocyanate (isophorone diisocyanate-based trimer)
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt %)15.0 – 16.0
Viscosity at 25 °C (mPa·s)800 – 1,200
Density at 20 °C (g/cm³)1.18 – 1.22
Flash Point (PMCC, °C)145 – 155
Primary Applications2K polyurethane topcoats, clearcoats, industrial & architectural finishes


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