Larger molecular weight diglycidyl ethers (n ≥ one) are shaped with the reaction from the bisphenol A diglycidyl ether fashioned with even further bisphenol A, this is referred to as prepolymerization: Epoxy resins are polymeric or semi-polymeric supplies or an oligomer, and therefore almost never exist as pure substances, considering https://www.propanraya.com/id/produk/epoxy-fast-dry