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

KS Chemical Hiblock BI-160 Isocyanate Curing Agent

KS Chemical Hiblock BI-160 is a high-performance aliphatic isocyanate curing agent from the Hiblock series, designed for UV-resistant, weather-stable polyurethane coatings and adhesives. It offers low viscosity, excellent compatibility with polyols, and rapid room-temperature curing—ideal for automotive clearcoats, industrial finishes, and composite applications requiring superior gloss retention and chemical resistance.
  • ks chemical hiblock bi 160 isocyanate curing agent_01efb05e
  • ks chemical hiblock bi 160 isocyanate curing agent_01efb05e

Features Of KS Chemical Hiblock BI-160 Isocyanate Curing Agent

  1. Low-viscosity aliphatic polyisocyanate offering excellent compatibility with hydroxyl-functional resins.

  2. Non-yellowing performance ideal for high-clarity and color-stable coatings and adhesives.

  3. Enhanced pot life control due to moderated reactivity compared to standard HDI-based curing agents.

  4. Excellent weather resistance and UV stability in outdoor applications.

  5. Compliant with REACH and meets VOC-reduction requirements for industrial coating formulations.

Typical Applications Of KS Chemical Hiblock BI-160 Isocyanate Curing Agent

  1. Automotive clearcoats and OEM topcoats requiring long-term gloss retention.

  2. High-performance industrial maintenance coatings for metal and concrete substrates.

  3. Architectural facade coatings exposed to harsh environmental conditions.

  4. Two-component polyurethane adhesives for bonding composites and laminated glass.

  5. UV-resistant plastic coatings and flexible film coatings for signage and decorative films.

Specifications Of KS Chemical Hiblock BI-160 Isocyanate Curing Agent

Chemical TypeAliphatic polyisocyanate (HDI trimer derivative)
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt %)15.8–16.2%
Viscosity (25°C, mPa·s)800–1,200
Density (20°C, g/cm³)1.14–1.17
VOC Content (g/L)<100 (as per ASTM D3960)
Storage Stability12 months at 25°C in sealed container under dry conditions


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