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

Allnex ROSKYDAL 502 BA Polyester Resin

Allnex ROSKYDAL 502 BA is a high-solids, low-viscosity alkyd-modified polyester resin designed for durable air-dry and forced-dry coatings. It delivers excellent gloss retention, flexibility, and chemical resistance. Ideal for industrial maintenance, agricultural equipment, and general metal finishing applications requiring robust performance and efficient application.
  • allnex roskydal 502 ba polyester resin_caa496cf
  • allnex roskydal 502 ba polyester resin_caa496cf

Features Of Allnex ROSKYDAL 502 BA Polyester Resin

  1. High-solids, low-viscosity unsaturated polyester resin for efficient processing and reduced VOC emissions.

  2. Excellent compatibility with standard styrene monomers and common free-radical initiators.

  3. Good mechanical strength and chemical resistance in cured laminates and castings.

  4. Consistent reactivity profile enabling reliable gel time control in ambient and elevated temperature curing.

  5. Optimized for high-gloss surface finish and minimal post-cure shrinkage in decorative and industrial applications.

Typical Applications Of Allnex ROSKYDAL 502 BA Polyester Resin

  1. Fiberglass-reinforced plastic (FRP) panels for architectural cladding and façade systems.

  2. Cultured marble and solid surface countertop castings.

  3. Industrial tanks and secondary containment liners requiring corrosion resistance.

  4. Marine deck and hull components in small-to-midsize vessel manufacturing.

  5. Lightweight composite enclosures for electrical and telecom infrastructure.

Specifications Of Allnex ROSKYDAL 502 BA Polyester Resin

Chemical TypeUnsaturated orthophthalic polyester resin
Product FormLiquid
AppearanceClear to pale yellow viscous liquid
Solids Content (wt%)≈ 99.5%
Viscosity @ 25°C (mPa·s)350–550
Acid Value (mg KOH/g)18–24
Density @ 25°C (g/cm³)1.12–1.16
Styrene Content (wt%)Non-reactive diluent not pre-added — supplied as pure resin


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