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

Covestro Desmodur VL 2854 Isocyanate Curing Agent

Covestro Desmodur VL 2854 is a low-viscosity aliphatic polyisocyanate curing agent from the Desmodur VL series, designed for high-performance UV- and thermally cured coatings, offering excellent weather resistance, gloss retention, and compatibility with acrylic and polyester resins.
  • covestro desmodur vl 2854 isocyanate curing agent_5a3f45ff
  • covestro desmodur vl 2854 isocyanate curing agent_5a3f45ff

Features Of Covestro Desmodur VL 2854 Isocyanate Curing Agent

  1. Aliphatic HDI-based polyisocyanate offering excellent UV stability and minimal yellowing in demanding outdoor applications.

  2. Low-viscosity liquid formulation enabling easy handling, precise metering, and compatibility with standard spray and mixing equipment.

  3. Fast-reacting functionality optimized for high-speed industrial coating and adhesive production processes.

  4. Non-yellowing chemistry suitable for clearcoats and topcoats requiring long-term gloss and color retention.

  5. Compliant with major global regulatory frameworks including REACH and VOC-restricted formulations (≤250 g/L).

Typical Applications Of Covestro Desmodur VL 2854 Isocyanate Curing Agent

  1. Automotive clearcoats and basecoat/clearcoat systems for OEM and refinish applications.

  2. High-performance industrial maintenance coatings for metal and plastic substrates.

  3. Premium wood finishes requiring hardness, chemical resistance, and optical clarity.

  4. Two-component polyurethane adhesives for laminated safety glass and composite bonding.

  5. UV-stable protective coatings for architectural façades and transportation interiors.

Specifications Of Covestro Desmodur VL 2854 Isocyanate Curing Agent

Chemical TypeAliphatic polyisocyanate based on hexamethylene diisocyanate (HDI)
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt. %)Approx. 19.5–20.5%
Viscosity at 25 °CApprox. 250–350 mPa·s
Density at 20 °CApprox. 1.08–1.12 g/cm³
Primary Applications2K PU clearcoats, industrial coatings, high-gloss wood finishes, laminating adhesives
Key FeaturesUV stability, low yellowing tendency, fast cure kinetics, good compatibility with common polyols


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