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

DSM Uralac SN831 Saturated Polyester Resin

DSM Uralac SN831 is a high-performance saturated polyester resin from DSM’s Uralac® powder coating series, engineered for excellent flow, hardness, and weather resistance. It delivers superior gloss retention, chemical stability, and smooth film formation—ideal for indoor architectural and appliance coatings requiring durable, eco-friendly thermoset finishes.
  • dsm uralac sn831 saturated polyester resin_3df03eb8
  • dsm uralac sn831 saturated polyester resin_3df03eb8

Features Of DSM Uralac SN831 Saturated Polyester Resin

  1. Highly crosslinkable for excellent chemical and solvent resistance in cured coatings.

  2. Low viscosity enables easy formulation with TGIC or hydroxyalkyl amide (HAA) curing agents.

  3. Outstanding gloss retention and color stability under UV exposure and weathering conditions.

  4. Consistent batch-to-batch performance due to tightly controlled molecular weight distribution.

  5. Compliant with major global regulatory frameworks for powder coating resins, including REACH and RoHS.

Typical Applications Of DSM Uralac SN831 Saturated Polyester Resin

  1. Architectural aluminum extrusions for façades and window frames.

  2. Automotive exterior trim and non-under-hood components.

  3. Outdoor furniture and garden equipment requiring long-term durability.

  4. White goods (refrigerators, washing machines) and office furniture.

  5. General industrial metal finishing for corrosion protection and aesthetic appeal.

Specifications Of DSM Uralac SN831 Saturated Polyester Resin

Chemical TypeSaturated polyester resin for thermosetting powder coatings
Product FormPale yellow to light amber solid flakes
AppearanceFree-flowing, uniform flakes without visible impurities
Acid Value (mg KOH/g)26–30
Hydroxyl Value (mg KOH/g)4–7
Gardner Color≤ 3
Melt Viscosity (200 °C, Pa·s)25–45
Softening Point (°C, Ring & Ball)78–84


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