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

Tosoh CORONATE HXR 100 Isocyanate Curing Agent

Tosoh CORONATE HXR 100 is a high-reactivity aliphatic polyisocyanate curing agent from Tosoh’s CORONATE series, designed for premium UV- and weather-resistant coatings. It offers excellent gloss retention, low yellowing, and compatibility with hydroxyl-functional resins—ideal for automotive clearcoats, industrial finishes, and aerospace applications requiring durability and clarity.
  • tosoh coronate hxr 100 isocyanate curing agent_4dcf0504
  • tosoh coronate hxr 100 isocyanate curing agent_4dcf0504

Features Of Tosoh CORONATE HXR 100 Isocyanate Curing Agent

  1. High-reactivity aliphatic isocyanate based on hexamethylene diisocyanate (HDI) trimer chemistry.

  2. Low viscosity and excellent compatibility with hydroxyl-functional acrylics, polyesters, and polycarbonates.

  3. Non-yellowing performance ideal for high-gloss, weather-resistant topcoats and clearcoats.

  4. Compliant with major global VOC regulations including EU Directive 2004/42/EC and U.S. EPA guidelines.

  5. Stabilized formulation offering extended pot life without sacrificing cure speed at ambient or forced-dry conditions.

Typical Applications Of Tosoh CORONATE HXR 100 Isocyanate Curing Agent

  1. Automotive OEM and refinish clearcoats and basecoats.

  2. Industrial maintenance coatings for metal and plastic substrates.

  3. Architectural and coil coatings requiring UV stability and color retention.

  4. High-performance wood finishes for furniture and flooring.

  5. Plastic coatings for automotive interior and exterior trim components.

Specifications Of Tosoh CORONATE HXR 100 Isocyanate Curing Agent

Chemical TypeAliphatic HDI-based trimer isocyanate
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt%)18.5–19.5%
Viscosity @ 25°C (mPa·s)1,200–1,800
Density @ 25°C (g/cm³)1.16–1.19
Flash Point (°C, closed cup)145–155
Storage Stability≥12 months at 25°C in sealed container


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