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

KS Chemical Hiblock BI-175 Isocyanate Curing Agent

KSChemicalHiblockBI-175isanaliphaticpolyisocyanatecuringagentfromtheHiblockseries,offeringexcellentweatherresistance,yellowingresistance,andfastcureatroomtemperature.Idealforhigh-performancecoatings,adhesives,andelastomersrequiringUVstabilityandlowviscositywithoutsolvents.
  • ks chemical hiblock bi 175 isocyanate curing agent_10d19f7e
  • ks chemical hiblock bi 175 isocyanate curing agent_10d19f7e

Features Of KS Chemical Hiblock BI-175 Isocyanate Curing Agent

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

  2. Non-yellowing formulation ensures long-term color stability in premium clearcoats and topcoats.

  3. Fast ambient-cure capability with balanced reactivity—enables efficient production without excessive oven energy.

  4. High functional group uniformity delivers consistent crosslink density and superior film hardness.

  5. Low monomeric TDI and HDI content, meeting stringent VOC and occupational safety compliance requirements.

Typical Applications Of KS Chemical Hiblock BI-175 Isocyanate Curing Agent

  1. Automotive OEM clearcoats and basecoat/clearcoat systems.

  2. High-performance industrial maintenance coatings for rail, marine, and agricultural equipment.

  3. Premium architectural metal coatings requiring UV resistance and gloss retention.

  4. Plastic coatings for automotive interior trim and electronic housings.

  5. Two-component polyurethane wood finishes for furniture and flooring applications.

Specifications Of KS Chemical Hiblock BI-175 Isocyanate Curing Agent

Chemical TypeAliphatic polyisocyanate (hexamethylene diisocyanate trimer)
Product FormLiquid
AppearanceClear, pale yellow to colorless liquid
NCO Content (wt%)17.0–17.8%
Viscosity at 25°C (mPa·s)800–1,200
Density at 25°C (g/cm³)1.18–1.22
Flash Point (PMCC, °C)135–145
Storage Stability (unopened, 25°C)≥12 months


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