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

Arakawa AL-540A Polyurethane Resin

Arakawa AL-540A Polyurethane Resin is a high-performance aliphatic two-component polyol system from Arakawa Chemical’s AL-Series, designed for durable clear coatings, elastomers and adhesives requiring excellent UV resistance, gloss retention and mechanical strength. It offers low viscosity, fast cure, and superior weatherability versus aromatic alternatives.
  • arakawa al 540a polyurethane resin_4f3feda0
  • arakawa al 540a polyurethane resin_4f3feda0

Features Of Arakawa AL-540A Polyurethane Resin

  1. Excellent flexibility and elongation at break for dynamic stress environments.

  2. Superior resistance to abrasion, oils, and low-temperature cracking.

  3. Fast room-temperature curing with balanced pot life and handling properties.

  4. Low viscosity formulation enables easy processing via casting, coating, or impregnation.

  5. Good adhesion to metals, plastics, and composite substrates without priming.

Typical Applications Of Arakawa AL-540A Polyurethane Resin

  1. Industrial roller and wear-resistant linings for material handling equipment.

  2. Protective coatings for mining screens, chutes, and slurry transport systems.

  3. Encapsulants and potting compounds for vibration-damping electronic assemblies.

  4. Flexible molds and prototypes in rapid tooling and foundry pattern applications.

  5. Sealants and gasketing materials in automotive under-hood and chassis components.

Specifications Of Arakawa AL-540A Polyurethane Resin

Chemical TypeAromatic polyurethane pre-polymer system (two-component)
Product FormLiquid resin (Part A) + polyol hardener (Part B)
Appearance (Part A)Clear to pale amber viscous liquid
Appearance (Part B)Colorless to light yellow liquid
Primary ApplicationsCasting, coating, sealing, and elastomeric part fabrication
Key FeaturesHigh toughness, low shrinkage, UV-stabilized surface finish
BenefitsExtended service life in abrasive/impact-prone industrial settings
Storage Stability12 months unopened at 15–25°C in dry, dark conditions


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