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

Covestro Desmodur IL 1351 Curing Agent

Covestro Desmodur IL 1351 is a low-viscosity aliphatic polyisocyanate curing agent from the Desmodur IL series, designed for high-performance two-component polyurethane coatings. It delivers excellent weather resistance, gloss retention, and fast ambient-cure capability—ideal for industrial and automotive topcoats requiring durability and clarity.
  • covestro desmodur il 1351 curing agent_39cbac45
  • covestro desmodur il 1351 curing agent_39cbac45

Features Of Covestro Desmodur IL 1351 Curing Agent

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

  2. Low viscosity enables easy handling, precise metering, and efficient mixing with polyol resins.

  3. Fast-reacting system suitable for ambient- and forced-dry curing processes.

  4. Provides outstanding chemical resistance, including to solvents, acids, and alkalis.

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

Typical Applications Of Covestro Desmodur IL 1351 Curing Agent

  1. High-performance automotive clearcoats and basecoats.

  2. Industrial maintenance coatings for machinery and metal structures.

  3. Architectural façade and cladding systems requiring long-term gloss and weather resistance.

  4. Plastic and composite part coatings in transportation and electronics.

  5. Wood finishing systems for premium furniture and interior applications.

Specifications Of Covestro Desmodur IL 1351 Curing Agent

Chemical TypeAliphatic polyisocyanate (hexamethylene diisocyanate trimer)
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsTwo-component polyurethane coatings
Key FeaturesUV-stable, low-VOC, fast-curing, non-yellowing
Storage Stability≥12 months at 20–25 °C in sealed original container
Isocyanate Content (NCO %)Approx. 13.5–14.2 wt%
Viscosity (25 °C)Approx. 800–1200 mPa·s


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