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

Covestro Desmodur 44V 20L Isocyanate Curing Agent

Covestro Desmodur 44V 20L is a high-performance aliphatic polyisocyanate curing agent from the Desmodur V series, offering excellent UV stability, color retention and fast cure speed for premium two-component coatings and adhesives in demanding industrial applications.
  • covestro desmodur 44v 20l isocyanate curing agent_56be4076
  • covestro desmodur 44v 20l isocyanate curing agent_56be4076

Features Of Covestro Desmodur 44V 20L Isocyanate Curing Agent

  1. High-reactivity aromatic diisocyanate based on diphenylmethane diisocyanate (MDI) chemistry.

  2. Low monomer content ensures improved workplace safety and reduced inhalation hazard.

  3. Optimized viscosity for easy handling, metering, and mixing with polyol components.

  4. Excellent compatibility with a broad range of polyether and polyester polyols.

  5. Delivers superior mechanical strength, chemical resistance, and thermal stability in cured systems.

Typical Applications Of Covestro Desmodur 44V 20L Isocyanate Curing Agent

  1. Automotive interior and exterior coatings and sealants.

  2. Industrial maintenance and protective coatings for metal substrates.

  3. High-performance elastomers and cast polyurethane parts.

  4. Reaction injection molding (RIM) and reinforced RIM (RRIM) systems.

  5. Two-component polyurethane adhesives and structural bonding formulations.

Specifications Of Covestro Desmodur 44V 20L Isocyanate Curing Agent

Chemical TypeAromatic diisocyanate (MDI-based)
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt %)33.5–34.5%
Viscosity at 25°C (mPa·s)150–250
Density at 20°C (g/cm³)1.20–1.23
Storage Stability (unopened, 25°C)≥12 months
Primary Applications2K polyurethane coatings, elastomers, adhesives, sealants


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