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

Covestro Curing Agent 44V20

Covestro Curing Agent 44V20 is a high-performance aliphatic polyisocyanate hardener from Covestro’s Desmodur® series, designed for premium two-component polyurethane coatings. It offers excellent weather resistance, low viscosity, and fast curing at ambient temperatures—ideal for automotive clearcoats, industrial finishes, and wood coatings requiring superior gloss and durability.
  • covestro curing agent 44v20_94d3a905
  • covestro curing agent 44v20_94d3a905

Features Of Covestro Curing Agent 44V20

  1. High reactivity with polyols, enabling rapid cure kinetics at ambient and elevated temperatures.

  2. Excellent compatibility with aromatic and aliphatic polyisocyanates in two-component polyurethane systems.

  3. Low viscosity formulation enhances processability and facilitates homogeneous mixing without solvents.

  4. Delivers superior mechanical properties including high hardness, abrasion resistance, and chemical resilience.

  5. Compliant with REACH and RoHS directives, supporting sustainable manufacturing practices.

Typical Applications Of Covestro Curing Agent 44V20

  1. Automotive clearcoats and basecoat/clearcoat systems requiring high gloss and UV stability.

  2. Industrial maintenance coatings for steel and concrete substrates exposed to harsh environments.

  3. Wood finishing coatings where fast throughput and excellent film formation are critical.

  4. Plastic coatings for automotive interior trim and consumer electronics housings.

  5. High-performance floor coatings in commercial and industrial facilities.

Specifications Of Covestro Curing Agent 44V20

Chemical TypeAliphatic polyisocyanate crosslinker (HDI-based)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
NCO Content (wt %)11.5 – 12.5
Viscosity (25 °C, mPa·s)800 – 1200
Density (20 °C, g/cm³)1.16 – 1.19
Flash Point (°C, closed cup)135 – 145
Storage Stability (unopened, 25 °C)≥ 12 months


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