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

Covestro Desmodur N 100 Lightfast Curing Agent

Covestro Desmodur N 100 Lightfast Curing Agent is a high-performance aliphatic polyisocyanate from the Desmodur N series, designed for UV-stable coatings and adhesives requiring exceptional lightfastness, low yellowing, and rapid ambient-cure capability without catalysts.
  • covestro desmodur n 100 lightfast curing agent_bc787c8b
  • covestro desmodur n 100 lightfast curing agent_bc787c8b

Features Of Covestro Desmodur N 100 Lightfast Curing Agent

  1. Exceptional lightfastness and UV resistance for long-term color stability in demanding outdoor applications.

  2. Low-viscosity liquid formulation enabling easy handling, precise metering, and homogeneous mixing with polyols.

  3. Excellent compatibility with aliphatic polyisocyanates and standard polyester/polyacrylate polyols.

  4. Fast-curing performance at ambient and elevated temperatures without compromising film flexibility or gloss retention.

  5. Non-yellowing chemistry ideal for high-clarity, white, and pastel-colored coatings requiring optical purity.

Typical Applications Of Covestro Desmodur N 100 Lightfast Curing Agent

  1. Automotive clearcoats and OEM topcoats requiring superior weatherability and gloss retention.

  2. High-end architectural and industrial maintenance coatings for façades, bridges, and metal cladding.

  3. Powder coating hybrid systems where enhanced flow and reduced curing temperature are critical.

  4. UV-resistant wood finishes for exterior furniture, decking, and joinery applications.

  5. Specialty plastic coatings for outdoor signage, lighting housings, and consumer electronics enclosures.

Specifications Of Covestro Desmodur N 100 Lightfast Curing Agent

Chemical TypeAliphatic polyisocyanate (hexamethylene diisocyanate-based trimer)
Product FormLiquid
AppearanceClear, pale yellow to colorless liquid
NCO Content (wt %)15.5 – 16.5
Viscosity at 25 °C (mPa·s)800 – 1,200
Density at 20 °C (g/cm³)1.19 – 1.23
Solvent Content (wt %)None (solvent-free)
Storage Stability≥12 months at 20–25 °C in sealed original container


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

Your Name *

Your Email *

Your Phone

Country

Your Message *