Greater molecular excess weight diglycidyl ethers (n ≥ 1) are formed from the response of the bisphenol A diglycidyl ether formed with further more bisphenol A, this is called prepolymerization: Usual gelcoat formulated for use with polyester resins and vinylester resins doesn't adhere to epoxy surfaces, however epoxy adheres extremely https://www.propanraya.com/id/produk/epoxy-fast-dry