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

Covestro Desmodur N 75 MPA X Curing Agent

Covestro Desmodur N 75 MPA X is a high-performance aliphatic polyisocyanate curing agent from the Desmodur N series, designed for UV- and dual-cure coatings requiring excellent weather resistance, low viscosity, and fast reactivity with polyols or amines.
  • covestro desmodur n 75 mpa x curing agent_bf0539cd
  • covestro desmodur n 75 mpa x curing agent_bf0539cd

Features Of Covestro Desmodur N 75 MPA X 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 cleaning agents.

  4. Delivers superior mechanical properties such as hardness, flexibility, and abrasion resistance in cured films.

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

Typical Applications Of Covestro Desmodur N 75 MPA X Curing Agent

  1. High-performance automotive clearcoats and basecoats.

  2. Industrial maintenance coatings for machinery and equipment.

  3. Architectural metal coatings requiring long-term gloss and weather resistance.

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

  5. Wood coatings for premium furniture and interior architectural elements.

Specifications Of Covestro Desmodur N 75 MPA X Curing Agent

Chemical TypeAliphatic polyisocyanate (HDI trimer)
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt %)19.5 – 20.5%
Viscosity at 25 °C800 – 1,200 mPa·s
Density at 20 °C1.16 – 1.18 g/cm³
Flash Point (PMCC)145 – 155 °C
SolubilityMiscible with common organic solvents (e.g., acetone, ethyl acetate, xylene)


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