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

Evonik EP-HP2333 Isocyanate Curing Agent

Evonik EP-HP2333 is a high-performance aliphatic polyisocyanate curing agent from the Vestanat® HP series, offering excellent weather resistance, low viscosity, and fast cure at ambient or elevated temperatures—ideal for high-gloss coatings, adhesives, and composite resins requiring superior UV stability and chemical resistance.
  • evonik ep hp2333 isocyanate curing agent_5c5c3b3a
  • evonik ep hp2333 isocyanate curing agent_5c5c3b3a

Features Of Evonik EP-HP2333 Isocyanate Curing Agent

  1. Aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) trimer chemistry.

  2. Low volatility and reduced monomer content for improved occupational safety and regulatory compliance.

  3. Excellent compatibility with hydroxyl-functional acrylic, polyester, and polyol resins.

  4. Provides outstanding UV stability, gloss retention, and weather resistance in cured coatings.

  5. Designed for ambient- and forced-dry curing systems with balanced reactivity and pot life.

Typical Applications Of Evonik EP-HP2333 Isocyanate Curing Agent

  1. High-performance automotive OEM and refinish clearcoats.

  2. Industrial maintenance coatings for metal and plastic substrates.

  3. Architectural and façade coatings requiring long-term color and gloss stability.

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

  5. Two-component polyurethane topcoats for wood and composite surfaces.

Specifications Of Evonik EP-HP2333 Isocyanate Curing Agent

Chemical TypeAliphatic HDI-based polyisocyanate (trimer)
Product FormLiquid
AppearanceClear, pale yellow liquid
NCO Content (wt %)19.5–20.5%
Viscosity (25 °C, mPa·s)800–1200
Density (20 °C, g/cm³)1.16–1.19
Storage Stability≥12 months at ≤25 °C in sealed containers
VOC Content (g/L)≤100 (as per ISO 11890-2)


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