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

Covestro Desmodur IL1451 Curing Agent

Covestro Desmodur IL1451 Curing Agent is a low-viscosity aliphatic polyisocyanate from the Desmodur® IL series, designed for high-performance 2K PU coatings. It delivers excellent weather resistance, gloss retention, and fast curing at ambient temperatures. Ideal for automotive clearcoats, industrial finishes, and plastic coatings requiring ISO-compliant low-VOC solutions.
  • covestro desmodur il1451 curing agent_85a00572
  • covestro desmodur il1451 curing agent_85a00572

Features Of Covestro Desmodur IL1451 Curing Agent

  1. Aliphatic isocyanate-based curing agent offering excellent UV stability and color retention.

  2. Low-viscosity liquid enabling easy handling, precise metering, and homogeneous mixing with polyol resins.

  3. Fast-reacting at ambient and elevated temperatures, supporting efficient production cycles in industrial coating systems.

  4. Provides outstanding chemical resistance, hardness, and abrasion resistance in final cured films.

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

Typical Applications Of Covestro Desmodur IL1451 Curing Agent

  1. High-performance clearcoats for automotive OEM and refinish applications.

  2. Durable topcoats for plastic substrates including PP, ABS, and PC.

  3. Industrial maintenance coatings for metal and concrete surfaces.

  4. UV-resistant protective coatings for outdoor signage and architectural elements.

  5. Two-component polyurethane systems for wood finishing and flooring.

Specifications Of Covestro Desmodur IL1451 Curing Agent

Chemical TypeAliphatic polyisocyanate (hexamethylene diisocyanate trimer, HDI trimer)
Product FormLiquid
AppearanceColorless to pale yellow, transparent liquid
NCO Content (wt %)Approx. 17.0–18.0%
Viscosity at 25 °C (mPa·s)Approx. 300–600
Density at 20 °C (g/cm³)Approx. 1.18–1.22
Flash Point (PMCC, °C)Approx. 145–155
Storage StabilityAt least 12 months in original unopened container at <25 °C


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