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

Chang Chun ETERSET 2516P Unsaturated Polyester Resin

ChangChun ETERSET 2516P is a high-performance unsaturated polyester resin from ChangChun’s ETERSET series, engineered for excellent thixotropy, fast gel time, and superior mechanical strength. Widely used in FRP tanks, marine laminates, and industrial composites, it offers balanced reactivity, low styrene emission, and reliable cure consistency under ambient or elevated temperatures.
  • chang chun eterset 2516p unsaturated polyester resin_6ad67907
  • chang chun eterset 2516p unsaturated polyester resin_6ad67907

Features Of Chang Chun ETERSET 2516P Unsaturated Polyester Resin

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

  2. Excellent mechanical strength and dimensional stability after curing, suitable for structural composite parts.

  3. Good compatibility with common fillers (e.g., calcium carbonate, talc) and fiber reinforcements (glass fiber, chopped strand mat).

  4. Low viscosity at ambient temperature, enabling easy handling, impregnation, and mold filling without excessive dilution.

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

Typical Applications Of Chang Chun ETERSET 2516P Unsaturated Polyester Resin

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

  2. Marine components including boat hulls, decks, and fenders.

  3. Automotive under-hood and exterior non-structural panels.

  4. Industrial grating, ducting, and corrosion-resistant linings.

  5. Architectural cladding, decorative panels, and translucent roofing systems.

Specifications Of Chang Chun ETERSET 2516P Unsaturated Polyester Resin

Chemical TypeOrthophthalic unsaturated polyester resin
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow viscous liquid
Viscosity (25°C, mPa·s)350–450
Gel Time (with 1.0 wt% MEKP, 25°C)8–12 minutes
Solid Content (wt%)99.5–100.0
Density (25°C, g/cm³)1.12–1.15
Reactive DiluentStyrene (35–38 wt%)


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