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

Tosoh CORONATE HXR100 Curing Agent

Tosoh CORONATE HXR100 Curing Agent is a high-reactivity aliphatic polyisocyanate from Tosoh’s CORONATE series, designed for premium two-component polyurethane coatings. It offers excellent weather resistance, low viscosity, and fast curing at ambient temperatures—ideal for automotive clearcoats and industrial finishes requiring superior gloss and durability.
  • tosoh coronate hxr100 curing agent_65f47274
  • tosoh coronate hxr100 curing agent_65f47274

Features Of Tosoh CORONATE HXR100 Curing Agent

  1. High-reactivity aliphatic polyisocyanate pre-polymer with controlled NCO content for balanced pot life and rapid cure.

  2. Excellent compatibility with hydroxyl-functional acrylics, polyesters, and polyester polyols in 2K coatings systems.

  3. Low viscosity enables easy handling, precise metering, and formulation flexibility without added solvents.

  4. Delivers superior gloss retention, weather resistance, and mechanical durability in demanding topcoats.

  5. Meets stringent VOC regulations with low monomeric HDI content (<0.1%) and compliant with REACH and RoHS.

Typical Applications Of Tosoh CORONATE HXR100 Curing Agent

  1. Automotive OEM clearcoats and basecoats requiring high appearance and long-term UV stability.

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

  3. High-performance plastic coatings for automotive interior and exterior trim components.

  4. Premium wood coatings where clarity, hardness, and chemical resistance are critical.

  5. Aerospace exterior primer-surfacer and topcoat systems demanding consistent film formation and adhesion.

Specifications Of Tosoh CORONATE HXR100 Curing Agent

Chemical TypeAliphatic polyisocyanate pre-polymer (HDI-based)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
NCO Content (wt%)13.5 – 14.5%
Viscosity at 25°C (mPa·s)1,800 – 2,500
Density at 25°C (g/cm³)1.16 – 1.19
Monomeric HDI Content< 0.1% (w/w)
Primary ApplicationsTwo-component (2K) polyurethane coatings for automotive, industrial, and specialty markets


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