The Preferred epoxy resins are possibly diglycidyl ethers of bisphenol A, and that is established by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular excess weight is managed by adjusting the ratio of ECH to BPA; significant ratios deliver lower molecular weights. Security Data Epoxies have gone through in https://www.propanraya.com/kategori/cat-lantai