The Most popular epoxy resins are either diglycidyl ethers of bisphenol A, that's established by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular bodyweight is controlled by changing the ratio of ECH to BPA; high ratios produce lower molecular weights. Constructing and Design Epoxy resins Utilized in creating and https://www.propanraya.com/kategori/cat-lantai