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

KS Chemical Hiblock BI-180 Isocyanate Curing Agent

KS Chemical’s Hiblock BI-180 is a high-performance aliphatic isocyanate curing agent from the Hiblock series, designed for UV-resistant polyurethane coatings and adhesives. It offers excellent weatherability, low viscosity, and fast room-temperature cure—ideal for automotive clearcoats, industrial finishes, and demanding outdoor applications requiring long-term gloss and color retention.
  • ks chemical hiblock bi 180 isocyanate curing agent_61ea27d7
  • ks chemical hiblock bi 180 isocyanate curing agent_61ea27d7

Features Of KS Chemical Hiblock BI-180 Isocyanate Curing Agent

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

  2. Non-yellowing performance due to hexamethylene diisocyanate (HDI) trimer chemistry.

  3. Fast ambient-cure capability with balanced pot life for efficient production workflows.

  4. High crosslink density delivering superior chemical resistance and mechanical durability.

  5. Compliant with REACH and meets VOC regulations for industrial coating formulations.

Typical Applications Of KS Chemical Hiblock BI-180 Isocyanate Curing Agent

  1. Automotive refinish clearcoats and basecoats.

  2. Industrial maintenance coatings for metal and concrete substrates.

  3. High-performance plastic coatings requiring flexibility and adhesion.

  4. Wood finishing systems including furniture and cabinetry topcoats.

  5. Railway and bus exterior protective coatings.

Specifications Of KS Chemical Hiblock BI-180 Isocyanate Curing Agent

Chemical TypeAliphatic HDI-based polyisocyanate trimer
Product FormLiquid
AppearanceClear, pale yellow liquid
NCO Content (wt %)17.5 – 18.5%
Viscosity at 25°C (mPa·s)1,800 – 2,400
Density at 25°C (g/cm³)1.18 – 1.22
SolventAcetate-based (e.g., butyl acetate)
Storage Stability≥12 months in sealed container at <30°C


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