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

Arakawa KL-540C Polyurethane Resin

Arakawa KL-540C Polyurethane Resin is a high-performance aliphatic two-component polyurethane coating resin offering excellent UV resistance, gloss retention, and chemical durability for premium industrial and automotive topcoats. Developed by Arakawa Chemical Industries, this KL-series formulation ensures superior weatherability, flexibility, and adhesion on diverse substrates without yellowing.
  • arakawa kl 540c polyurethane resin_13985675
  • arakawa kl 540c polyurethane resin_13985675

Features Of Arakawa KL-540C Polyurethane Resin

  1. Excellent flexibility and impact resistance at low temperatures down to –30°C.

  2. Superior adhesion to diverse substrates including metals, plastics, and composites.

  3. Low-VOC formulation compliant with major industrial emission regulations.

  4. Fast room-temperature cure profile without requiring external heat or catalysts.

  5. Outstanding chemical resistance to aliphatic hydrocarbons, lubricants, and mild aqueous solutions.

Typical Applications Of Arakawa KL-540C Polyurethane Resin

  1. Automotive underbody coatings and chassis protection systems.

  2. Industrial elastomeric sealants for vibration-damping components.

  3. Protective coatings for wind turbine blade leading edges.

  4. Flexible encapsulants for electronic modules exposed to thermal cycling.

  5. Adhesive binders in high-performance composite laminates.

Specifications Of Arakawa KL-540C Polyurethane Resin

Chemical TypeAromatic polyurethane pre-polymer (NCO-terminated)
Product FormClear to pale amber liquid
AppearanceHomogeneous, low-viscosity liquid
NCO Content (wt%)3.8–4.2%
Viscosity @ 25°C (mPa·s)1,200–1,800
Density @ 25°C (g/cm³)1.08–1.12
Shelf Life (unopened, 15–25°C)12 months
Primary ApplicationsCoatings, adhesives, sealants, and elastomers (CASE)


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