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

Evonik VESTANAT T1890E Curing Agent

Evonik VESTANAT T1890E is a high-performance aliphatic polyisocyanate curing agent from the VESTANAT® series, designed for 2K polyurethane coatings. It offers excellent weather resistance, low viscosity, and fast curing at ambient temperatures. Ideal for automotive clearcoats, industrial finishes, and high-gloss applications requiring superior gloss retention and chemical resistance.
  • evonik vestanat t1890e curing agent_497ef882
  • evonik vestanat t1890e curing agent_497ef882

Features Of Evonik VESTANAT T1890E Curing Agent

  1. High-reactivity aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) trimer chemistry.

  2. Low-viscosity liquid formulation enabling easy handling, precise metering, and excellent compatibility with common polyols.

  3. Excellent weather resistance and UV stability — ideal for high-performance exterior coatings.

  4. Non-yellowing character ensures long-term gloss retention and color fidelity in clearcoats and pigmented systems.

  5. Complies with stringent VOC regulations including EU Directive 2004/42/EC (Category C1-b) and EPA Method 24.

Typical Applications Of Evonik VESTANAT T1890E Curing Agent

  1. Automotive OEM and refinish clearcoats requiring high gloss, mar resistance, and durability.

  2. Industrial maintenance coatings for metal and plastic substrates exposed to harsh environmental conditions.

  3. High-end wood finishes demanding rapid cure, hardness development, and optical clarity.

  4. Aerospace interior coatings where low VOC, non-yellowing performance and adhesion are critical.

Specifications Of Evonik VESTANAT T1890E Curing Agent

Chemical TypeAliphatic HDI-based polyisocyanate (trimer)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
NCO Content (wt %)Approx. 15.5–16.5%
Viscosity at 25 °C (mPa·s)Approx. 800–1,200
Density at 20 °C (g/cm³)Approx. 1.21–1.23
VOC Content (g/L)< 100 (as per EU Paints Directive)
Storage StabilityAt least 12 months in original sealed container at 15–25 °C


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