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

Covestro Desmodur N 3600 Curing Agent

Covestro Desmodur N 3600 is a high-performance aliphatic polyisocyanate curing agent from the Desmodur N series, designed for two-component polyurethane coatings requiring excellent UV stability, gloss retention, and weather resistance in demanding industrial and automotive applications.
  • covestro desmodur n 3600 curing agent_618576ac
  • covestro desmodur n 3600 curing agent_618576ac

Features Of Covestro Desmodur N 3600 Curing Agent

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

  2. Low-viscosity liquid formulation enabling easy handling, precise metering, and efficient mixing with hydroxyl-functional resins.

  3. Provides outstanding chemical resistance, including to solvents, acids, and alkalis, in cured coatings.

  4. Enables rapid ambient- or forced-dry curing with balanced reactivity for robust film formation.

  5. Complies with REACH and meets VOC regulations for industrial coating applications.

Typical Applications Of Covestro Desmodur N 3600 Curing Agent

  1. Automotive clearcoats and OEM topcoats requiring high gloss and long-term weatherability.

  2. Industrial maintenance coatings for machinery, metal furniture, and agricultural equipment.

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

  4. High-performance coil coatings where durability and process efficiency are critical.

  5. Wood coatings for premium interior and exterior architectural millwork.

Specifications Of Covestro Desmodur N 3600 Curing Agent

Chemical TypeAliphatic polyisocyanate (hexamethylene diisocyanate–based)
Product FormLiquid
AppearanceClear, pale yellow liquid
NCO Content (wt%)15.5 – 16.5
Viscosity at 25°C (mPa·s)800 – 1,200
Density at 20°C (g/cm³)1.17 – 1.21
VOC Content (g/L)< 50 (as per ISO 11890-2)
Storage StabilityAt least 12 months in original sealed container at 15–25°C


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