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

Covestro Desmodur N 3300 Curing Agent

Covestro Desmodur N 3300 is a high-performance aliphatic polyisocyanate curing agent from the Desmodur N series, designed for two-component polyurethane coatings requiring excellent weather resistance, gloss retention, and chemical stability in demanding industrial and automotive applications.
  • covestro desmodur n 3300 curing agent_6514393b
  • covestro desmodur n 3300 curing agent_6514393b

Features Of Covestro Desmodur N 3300 Curing Agent

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

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

  3. Provides outstanding chemical resistance, including to solvents, acids, and alkalis, in cured coatings.

  4. Delivers high crosslink density for superior hardness, abrasion resistance, and mechanical durability.

  5. Compliant with major global regulatory frameworks including REACH and VOC-compliant formulations.

Typical Applications Of Covestro Desmodur N 3300 Curing Agent

  1. High-performance automotive clearcoats and OEM topcoats.

  2. Premium industrial maintenance coatings for machinery and infrastructure.

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

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

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

Specifications Of Covestro Desmodur N 3300 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)1.17 – 1.21
VOC Content (g/L)< 100 (as supplied)
Primary ApplicationsTwo-component polyurethane coatings (2K PU)


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *