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

Tosoh CORONATE HXLV Isocyanate Curing Agent

Tosoh CORONATE HXLV is a low-VOC, hydrophilic aliphatic polyisocyanate curing agent from Tosoh’s CORONATE series, designed for high-performance waterborne coatings requiring excellent weather resistance, gloss retention and fast ambient cure. It enables low-film-thickness applications with superior hardness development and minimal yellowing versus aromatic alternatives.
  • tosoh coronate hxlv isocyanate curing agent_7d5d5fe6
  • tosoh coronate hxlv isocyanate curing agent_7d5d5fe6

Features Of Tosoh CORONATE HXLV Isocyanate Curing Agent

  1. Low-viscosity aliphatic polyisocyanate offering excellent storage stability and extended pot life.

  2. Non-yellowing performance ideal for high-clarity and color-stable coating systems.

  3. Reactive NCO content optimized for balanced cure speed and film formation at ambient or low-bake conditions.

  4. Compatible with a broad range of hydroxyl-functional resins including acrylics, polyesters, and polycarbonates.

  5. Meets stringent VOC regulations due to its solvent-free formulation and low monomer residue.

Typical Applications Of Tosoh CORONATE HXLV Isocyanate Curing Agent

  1. Automotive clearcoats and basecoats requiring exceptional gloss retention and UV resistance.

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

  3. High-performance wood finishes where clarity, hardness, and chemical resistance are critical.

  4. Plastic coatings for exterior automotive parts and consumer electronics housings.

  5. Two-component (2K) protective topcoats in architectural and transportation applications.

Specifications Of Tosoh CORONATE HXLV Isocyanate Curing Agent

Chemical TypeAliphatic polyisocyanate (hexamethylene diisocyanate trimer)
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt%)13.5 – 14.5
Viscosity @ 25°C (mPa·s)800 – 1,200
Density @ 25°C (g/cm³)1.18 – 1.22
Primary Applications2K polyurethane coatings for automotive, industrial, and wood finishes
Key FeaturesLow viscosity, non-yellowing, ambient-cure capable, low monomer content


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