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

Allnex SETAPOLL SP301 Polyester Resin

Allnex SETAPOLL SP301 is a high-solids, low-viscosity saturated polyester resin from the SETAPOLL series, engineered for durable coil and general industrial coatings. It offers excellent gloss retention, weather resistance, and compatibility with TGIC and HAA curing agents—ideal for premium metal finishing applications requiring flexibility and chemical stability.
  • allnex setapoll sp301 polyester resin_06f43727
  • allnex setapoll sp301 polyester resin_06f43727

Features Of Allnex SETAPOLL SP301 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. Superior mechanical strength and dimensional stability in cured composites.

  4. Good resistance to water, alkalis, and mild acids after full cure.

  5. Consistent batch-to-batch performance optimized for automated impregnation and molding processes.

Typical Applications Of Allnex SETAPOLL SP301 Polyester Resin

  1. Fiberglass-reinforced plastic (FRP) tanks and vessels for chemical storage.

  2. Pultruded profiles used in construction, infrastructure, and corrosion-resistant structural components.

  3. Sheet molding compound (SMC) for automotive exterior and under-hood parts.

  4. Continuous laminating of panels for architectural cladding and industrial enclosures.

  5. Centrifugal casting of pipes and fittings in wastewater and irrigation systems.

Specifications Of Allnex SETAPOLL SP301 Polyester Resin

Chemical TypeUnsaturated polyester resin
Product FormLiquid
AppearanceClear to pale yellow, homogeneous liquid
Primary ApplicationsPultrusion, SMC, centrifugal casting, continuous lamination
Key FeaturesHigh reactivity, low shrinkage, excellent fiber wet-out
BenefitsImproved production speed, enhanced surface finish, reduced porosity
Styrene Content (typ.)38–42 wt%
Storage Stability≥6 months at 25°C in sealed container


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