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

Allnex ROSKYDAL 850 W Polyester Resin

Allnex ROSKYDAL 850 W is a waterborne polyester resin from the ROSKYDAL series, designed for high-performance industrial coatings. It offers excellent gloss retention, chemical resistance, and low VOC content. Ideal for metal decorating and coil coating applications, it delivers superior hardness, flexibility, and adhesion without organic solvents.
  • allnex roskydal 850 w polyester resin_28b8bdf6
  • allnex roskydal 850 w polyester resin_28b8bdf6

Features Of Allnex ROSKYDAL 850 W Polyester Resin

  1. Water-reducible alkyd-modified polyester resin for low-VOC, high-performance coatings.

  2. Excellent gloss retention and color stability under UV exposure.

  3. Good compatibility with amino resins and common waterborne acrylic dispersions.

  4. Enables fast ambient or forced-dry cure profiles without requiring strong acid catalysts.

  5. Delivers balanced hardness, flexibility, and chemical resistance in final films.

Typical Applications Of Allnex ROSKYDAL 850 W Polyester Resin

  1. Automotive refinish basecoats and clearcoats.

  2. Industrial maintenance coatings for metal furniture and fixtures.

  3. Coil coating primers and topcoats (pre-treatment compatible).

  4. General-purpose waterborne industrial finishes for appliances and enclosures.

Specifications Of Allnex ROSKYDAL 850 W Polyester Resin

Chemical TypeAlkyd-modified saturated polyester
Product FormWaterborne dispersion
AppearanceOpaque white to off-white liquid
Non-Volatile Content (wt%)45–49% (at 110 °C, 15 min)
pH7.5–8.5
Viscosity (mPa·s, Brookfield RVT, #3 spindle, 20 rpm)1,200–2,500
Particle Size (D50, nm)120–180
Primary ApplicationsWaterborne industrial and automotive refinish coatings


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