The Preferred epoxy resins are both diglycidyl ethers of bisphenol A, and that is created by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular body weight is managed by adjusting the ratio of ECH to BPA; higher ratios deliver reduce molecular weights. Protection Data Epoxies have undergone intensive testing https://www.propanraya.com/kategori/cat-lantai