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

Wanhua HB-100 HDI Biuret Curing Agent

Wanhua HB-100 HDI Biuret Curing Agent is a high-performance aliphatic polyisocyanate crosslinker from Wanhua’s HB series, offering excellent weather resistance, low viscosity, and fast curing for premium coatings and adhesives.
  • wanhua hb 100 hdi biuret curing agent_535ce81c
  • wanhua hb 100 hdi biuret curing agent_535ce81c

Features Of Wanhua HB-100 HDI Biuret Curing Agent

  1. Low viscosity for excellent processability and easy handling in coating and adhesive formulations.

  2. Enhanced chemical resistance and weatherability due to the stable biuret structure of hexamethylene diisocyanate (HDI).

  3. Good compatibility with common polyols and resins used in two-component polyurethane systems.

  4. Reduced volatility compared to monomeric HDI, contributing to improved workplace safety and lower VOC emissions.

  5. Consistent reactivity profile enabling reliable pot life control and predictable film formation.

Typical Applications Of Wanhua HB-100 HDI Biuret Curing Agent

  1. High-performance automotive clearcoats and basecoats.

  2. Industrial maintenance coatings for metal and concrete substrates.

  3. Architectural facade coatings requiring UV stability and gloss retention.

  4. Flexible and rigid polyurethane adhesives for composite bonding.

  5. Electronics encapsulation and protective conformal coatings.

Specifications Of Wanhua HB-100 HDI Biuret Curing Agent

Chemical TypeHDI-based biuret oligomer
Product FormLiquid
AppearanceClear, pale yellow liquid
NCO Content (wt%)18.5–19.5%
Viscosity (25°C, mPa·s)1,200–1,800
Density (20°C, g/cm³)1.16–1.19
Flash Point (PMCC, °C)145–155
Storage Stability≥12 months at 25°C in sealed container


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