The Preferred epoxy resins are possibly diglycidyl ethers of bisphenol A, that's created by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular body weight is managed by altering the ratio of ECH to BPA; superior ratios generate lower molecular weights. In this instance, so-known as ‘reactive diluents’ are extra https://www.propanraya.com/kategori/cat-lantai