The Most popular epoxy resins are either diglycidyl ethers of bisphenol A, which is designed by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular weight is controlled by changing the ratio of ECH to BPA; large ratios generate lower molecular weights. Bisphenol File Epoxy Resin provides Increased chemical resistance, https://www.propanraya.com/kategori/cat-lantai