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

Tosoh CORONATE HX Isocyanate Curing Agent

Tosoh CORONATE HX Isocyanate Curing Agent is a low-viscosity, aliphatic HDI-based polyisocyanate designed for high-performance two-component polyurethane coatings. It offers excellent weather resistance, gloss retention, and compatibility with hydroxyl-functional resins. Widely used in automotive clearcoats, industrial finishes, and premium architectural coatings requiring ISO 9001-compliant consistency and low NCO volatility.
  • tosoh coronate hx isocyanate curing agent_b2f54d02
  • tosoh coronate hx isocyanate curing agent_b2f54d02

Features Of Tosoh CORONATE HX Isocyanate Curing Agent

  1. Highly reactive aliphatic isocyanate based on hexamethylene diisocyanate (HDI) trimer chemistry.

  2. Excellent weather resistance and UV stability, enabling long-term gloss and color retention in coatings.

  3. Low viscosity for easy handling and improved formulation compatibility with hydroxyl-functional resins.

  4. Non-yellowing performance ideal for clearcoats and high-performance topcoats requiring optical clarity.

  5. Compliant with major global VOC regulations and suitable for low-VOC coating systems.

Typical Applications Of Tosoh CORONATE HX Isocyanate Curing Agent

  1. Automotive OEM and refinish clearcoats and basecoats.

  2. Industrial maintenance coatings for metal and plastic substrates.

  3. High-end wood finishing systems including furniture and flooring coatings.

  4. Aerospace interior and exterior protective coatings.

  5. General-purpose polyurethane two-component (2K) protective and decorative coatings.

Specifications Of Tosoh CORONATE HX Isocyanate Curing Agent

Chemical TypeAliphatic HDI-based trimer
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt%)19.5–20.5%
Viscosity (25°C, mPa·s)800–1,200
Density (25°C, g/cm³)1.16–1.18
SolventAcetate-based (e.g., butyl acetate)
Storage Stability≥12 months at 5–30°C in sealed container


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *