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

Covestro Desmodur N 3200 Curing Agent

Covestro Desmodur N 3200 is a high-performance aliphatic polyisocyanate curing agent from the Desmodur N series, designed for premium two-component polyurethane coatings. It delivers excellent weather resistance, gloss retention, and low-temperature reactivity. Widely used in automotive refinish, industrial maintenance, and high-end wood finishes where durability and clarity are critical.
  • covestro desmodur n 3200 curing agent_ed0f4dcd
  • covestro desmodur n 3200 curing agent_ed0f4dcd

Features Of Covestro Desmodur N 3200 Curing Agent

  1. Aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), offering excellent UV stability and color retention.

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

  3. Non-yellowing performance ideal for high-gloss, exterior-grade coatings requiring long-term clarity and weather resistance.

  4. Complies with global VOC regulations and supports low-VOC coating formulations without compromising crosslink density.

  5. Consistent reactivity profile ensures reliable pot life control and robust film formation across diverse application conditions.

Typical Applications Of Covestro Desmodur N 3200 Curing Agent

  1. Automotive OEM clearcoats and topcoats for premium exterior finish systems.

  2. Industrial maintenance coatings for machinery, agricultural equipment, and rail vehicles.

  3. High-performance architectural coatings for façades, aluminum composite panels (ACPs), and metal cladding.

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

  5. Wood coatings for premium furniture, flooring, and kitchen cabinetry requiring durability and aesthetics.

Specifications Of Covestro Desmodur N 3200 Curing Agent

Chemical TypeAliphatic HDI-based polyisocyanate (trimer)
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)< 100 (as per EU Directive 2004/42/EC, category A/e)
Storage Stability≥ 12 months at 20–25 °C in original sealed container


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