Bisphenol A Epoxy Resin E-51
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Low-molecular-weight diglycidyl ether of bisphenol A with an epoxy equivalent of 184-194 g/eq, for 2K coatings, flooring, and electronic potting.
Technical Specifications
| CAS No. | 1675-54-3 |
|---|---|
| Molecular formula | C21H24O4 (n approx. 0.15) |
| Molecular weight | 340.41 (n = 0 structural unit) |
| Purity / Grade | EEW 184-194 g/eq, hydrolyzable chlorine <= 0.02% |
| Packaging | 20 kg galvanized steel pail / 220 kg drum |
Product Overview
E-51 is the most widely used liquid bisphenol A epoxy resin. Cured with amine or anhydride hardeners it delivers excellent adhesion, chemical resistance, and electrical insulation. Yuanzhen Materials runs a two-step process yielding low color (<= 40 Gardner) and low volatiles, suitable for appearance-critical industrial coatings and flooring systems.
Typical applications include marine and steel-structure primers, solvent-free flooring, electronic potting, and fiber-reinforced composites. We offer reactive diluent selection and curing-system formulation support, with small-scale sampling available.