The most well-liked epoxy resins are either diglycidyl ethers of bisphenol A, and that is created by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular body weight is managed by altering the ratio of ECH to BPA; high ratios deliver reduce molecular weights. Epoxy is a flexible product that's https://www.propanraya.com/kategori/cat-lantai