The Definitive Guide to epoxy lantai
The most popular epoxy resins are either diglycidyl ethers of bisphenol A, which happens to be developed by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular body weight is controlled by modifying the ratio of ECH to BPA; high ratios make decrease molecular weights.Epoxy resins are a versatile class of polymers extensively used i