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

Mitsui Chemicals OLESTER RA5300 Polyurethane Acrylic Resin

Mitsui Chemicals OLESTER RA5300 is a high-performance polyurethane acrylic resin designed for durable, flexible coatings with excellent weather resistance and adhesion. Part of the OLESTER series, RA5300 combines urethane toughness with acrylic clarity and UV stability—ideal for automotive clearcoats, industrial finishes, and plastic coatings requiring gloss retention and chemical resistance.
  • mitsui chemicals olester ra5300 polyurethane acrylic resin_3f6c2dfc
  • mitsui chemicals olester ra5300 polyurethane acrylic resin_3f6c2dfc

Features Of Mitsui Chemicals OLESTER RA5300 Polyurethane Acrylic Resin

  1. Hybrid polymer architecture combining polyurethane toughness with acrylic weatherability and clarity.

  2. Excellent flexibility and impact resistance at low temperatures without sacrificing hardness.

  3. Superior adhesion to diverse substrates including plastics, metals, and coated surfaces.

  4. Low-VOC formulation compliant with modern environmental regulations for industrial coatings.

  5. Good compatibility with common crosslinkers (e.g., melamine, isocyanate, and carbodiimide types).

Typical Applications Of Mitsui Chemicals OLESTER RA5300 Polyurethane Acrylic Resin

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

  2. High-performance industrial maintenance coatings for machinery and equipment.

  3. Plastic coatings for exterior automotive parts such as grilles, trim, and mirror housings.

  4. Premium architectural metal coatings requiring long-term gloss retention and UV stability.

  5. Functional topcoats for electronic enclosures and consumer appliance housings.

Specifications Of Mitsui Chemicals OLESTER RA5300 Polyurethane Acrylic Resin

Chemical TypePolyurethane-acrylic hybrid resin
Product FormLiquid, solvent-based solution
AppearanceClear to pale yellow transparent liquid
Solvent SystemToluene/xylene/ester blend (typical)
Solids Content (wt%)55–60% (as supplied)
Viscosity (25°C, mPa·s)1,200–2,500 (Brookfield RV, spindle #3, 20 rpm)
Acid Value (mg KOH/g)8–12
Hydroxyl Value (mg KOH/g)45–55


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