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

Chang Chun ETERSET 2519P Unsaturated Polyester Resin

ChangChun ETERSET 2519P is a high-performance unsaturated polyester resin from ChangChun’s ETERSET series, engineered for superior mechanical strength, fast gel time, and excellent weather resistance—ideal for FRP laminating, marine parts, and industrial tanks requiring low viscosity and high reactivity.
  • chang chun eterset 2519p unsaturated polyester resin_05a060c9
  • chang chun eterset 2519p unsaturated polyester resin_05a060c9

Features Of Chang Chun ETERSET 2519P Unsaturated Polyester Resin

  1. High reactivity with standard MEKP initiators for rapid gelation and efficient production cycles.

  2. Excellent mechanical strength and impact resistance after curing, suitable for structural composite parts.

  3. Good compatibility with common fillers (e.g., calcium carbonate, talc) and fiberglass reinforcements.

  4. Low viscosity at room temperature, enabling easy handling, impregnation, and mold wet-out.

  5. Consistent batch-to-batch performance ensured by Chang Chun’s strict quality control and ISO-certified manufacturing.

Typical Applications Of Chang Chun ETERSET 2519P Unsaturated Polyester Resin

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

  2. Automotive body panels and under-hood components requiring dimensional stability.

  3. Marine deck and hull laminates with balanced toughness and weather resistance.

  4. Industrial grating, cable trays, and corrosion-resistant ductwork.

  5. Pultruded profiles for construction and infrastructure applications.

Specifications Of Chang Chun ETERSET 2519P Unsaturated Polyester Resin

Chemical TypeUnsaturated polyester resin (ortho-phthalic based)
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow, homogeneous liquid
Viscosity (25°C, mPa·s)350–450
Gel Time (with 1.0% MEKP, 25°C)12–18 minutes
Reactive DiluentStyrene (~38–42 wt%)
Solids Content (wt%)≈58–62
Storage Stability (25°C)≥6 months in sealed container


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