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

Covestro Desmodur N3600 Curing Agent

Covestro Desmodur N3600 Curing Agent is a high-performance aliphatic polyisocyanate hardener in the Desmodur N series, designed for two-component polyurethane coatings. It delivers excellent weather resistance, gloss retention, and fast curing at ambient temperatures. Widely used in automotive refinish, industrial maintenance, and premium wood coatings where durability and clarity are critical.
  • covestro desmodur n3600 curing agent_5703c73a
  • covestro desmodur n3600 curing agent_5703c73a

Features Of Covestro Desmodur N3600 Curing Agent

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

  2. Low viscosity enables easy handling, precise metering, and improved formulation compatibility.

  3. Provides outstanding chemical resistance, including to solvents, fuels, and cleaning agents.

  4. Enables fast room-temperature or low-bake cure profiles for enhanced production efficiency.

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

Typical Applications Of Covestro Desmodur N3600 Curing Agent

  1. High-performance automotive clearcoats and topcoats.

  2. Industrial maintenance coatings for machinery and equipment.

  3. Plastic coatings requiring gloss retention and weatherability.

  4. General-purpose two-component polyurethane (2K PU) protective coatings.

  5. Coatings for transportation infrastructure including rail and bus components.

Specifications Of Covestro Desmodur N3600 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)1.19 – 1.23
Solvent ContentNon-solvented (100% solids)
Primary Applications2K polyurethane topcoats and protective coatings


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