Increased molecular bodyweight diglycidyl ethers (n ≥ 1) are formed because of the reaction of your bisphenol A diglycidyl ether shaped with even more bisphenol A, this is called prepolymerization: An aromatic epoxy also encompasses a “ring” inside of its chemical structure and is an item of BPA and epichlorohydrin https://www.propanraya.com/id/produk/epoxy-fast-dry