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

Arakawa KL-540E Polyurethane Resin

Arakawa KL-540E Polyurethane Resin is a high-performance two-component aliphatic polyurethane resin from Arakawa Chemical’s KL series, engineered for exceptional UV resistance, gloss retention, and weatherability in premium coatings and industrial finishes.
  • arakawa kl 540e polyurethane resin_dbab89b4
  • arakawa kl 540e polyurethane resin_dbab89b4

Features Of Arakawa KL-540E Polyurethane Resin

  1. Highly reactive aliphatic polyisocyanate-based prepolymer offering excellent weather resistance and UV stability.

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

  3. Exceptional adhesion to diverse substrates including metals, plastics, and composites without requiring primers.

  4. Fast room-temperature cure profile with good pot life balance for high-throughput industrial coating and adhesive applications.

  5. Low VOC content compliant with stringent environmental regulations for industrial coatings and sealants.

Typical Applications Of Arakawa KL-540E Polyurethane Resin

  1. High-performance protective topcoats for automotive OEM and refinish systems.

  2. Durable clearcoats for architectural metal cladding and façade panels.

  3. Structural adhesives for bonding composite components in transportation and wind energy sectors.

  4. Flexible elastomeric sealants for expansion joints in civil infrastructure projects.

  5. UV-resistant overprint varnishes for premium flexible packaging laminates.

Specifications Of Arakawa KL-540E Polyurethane Resin

Chemical TypeAliphatic polyisocyanate-based polyurethane prepolymer
Product FormLiquid
AppearanceClear to pale yellow transparent liquid
Viscosity (25°C)1,200–1,800 mPa·s
NCO Content4.8–5.2 wt%
Density (25°C)1.12–1.16 g/cm³
Primary ApplicationsCoatings, adhesives, sealants, and elastomers (CASE)
Storage Stability≥12 months at 5–30°C in sealed containers under dry nitrogen


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