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

YD-128H Epoxy Resin

YD-128H Epoxy Resin is a high-performance bisphenol-A-based epoxy resin from the YD series by Wuxi Yida Chemical. Featuring low viscosity, excellent adhesion, and superior mechanical strength, it’s widely used in composites, electronic encapsulation, and structural adhesives. Compatible with common amine and anhydride hardeners, it delivers reliable thermal stability and chemical resistance for demanding industrial applications.
  • yd 128h epoxy resin_402a7db6
  • yd 128h epoxy resin_402a7db6

Features Of YD-128H Epoxy Resin

  1. High-purity bisphenol-A based liquid epoxy resin with consistent molecular weight distribution.

  2. Excellent compatibility with standard amine and anhydride curing agents for broad formulation flexibility.

  3. Low viscosity (10,000–12,000 cP at 25°C) enabling easy handling, mixing, and impregnation in composite processing.

  4. Superior electrical insulation properties and low dielectric loss, suitable for high-reliability electronic encapsulation.

  5. Good adhesion to metals, glass, and carbon fiber substrates without mandatory surface priming.

Typical Applications Of YD-128H Epoxy Resin

  1. Electrical potting and encapsulation of transformers, reactors, and power modules.

  2. Structural adhesive formulations for aerospace and automotive bonding applications.

  3. Matrix resin for filament-wound composite pressure vessels and piping systems.

  4. Coating base for corrosion-resistant linings in chemical storage tanks and piping.

  5. Prepreg and infusion resin for wind turbine blade manufacturing.

Specifications Of YD-128H Epoxy Resin

Chemical TypeBisphenol-A diglycidyl ether (DGEBA)
Product FormClear, low-viscosity liquid
AppearanceWater-white to pale yellow, transparent
Epoxy Equivalent Weight (EEW)185–192 g/eq
Viscosity (25°C)10,000–12,000 cP
Softening Point12–15°C
Chloride Content≤ 500 ppm
Hydrolyzable Chloride≤ 100 ppm


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