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

Chang Chun ETERSET 1629 Unsaturated Polyester Resin

ChangChun ETERSET 1629 is a high-performance unsaturated polyester resin from ChangChun’s ETERSET series, engineered for superior mechanical strength, chemical resistance, and fast gel time. Widely used in FRP tanks, marine laminates, and industrial composites, it offers excellent flow, low exotherm, and compatibility with standard MEKP initiators and styrene diluents.
  • chang chun eterset 1629 unsaturated polyester resin_e41db402
  • chang chun eterset 1629 unsaturated polyester resin_e41db402

Features Of Chang Chun ETERSET 1629 Unsaturated Polyester Resin

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

  2. Excellent mechanical strength and dimensional stability in cured laminates.

  3. Good compatibility with common fillers, pigments, and glass fiber reinforcements.

  4. Low viscosity for easy handling, wet-out, and impregnation of fiber mats.

  5. Superior weather resistance and UV stability in outdoor applications.

Typical Applications Of Chang Chun ETERSET 1629 Unsaturated Polyester Resin

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

  2. Marine components including boat hulls, decks, and structural panels.

  3. Industrial corrosion-resistant linings and secondary containment systems.

  4. Wind turbine blade structural matrices and nacelle housings.

  5. Architectural cladding, grating, and decorative molded products.

Specifications Of Chang Chun ETERSET 1629 Unsaturated Polyester Resin

Chemical TypeOrthophthalic unsaturated polyester resin
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow viscous liquid
Viscosity (25°C)400–600 mPa·s
Gel Time (with 1.0% MEKP, 25°C)12–18 minutes
Solid Content≈99.5%
Density (25°C)1.12–1.15 g/cm³
Reactive DiluentStyrene (35–40% w/w)


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