Larger molecular excess weight diglycidyl ethers (n ≥ one) are fashioned via the reaction in the bisphenol A diglycidyl ether fashioned with even more bisphenol A, this is termed prepolymerization: Hardeners which clearly show only reduced or constrained reactivity at ambient temperature, but which react with epoxy resins at elevated https://www.propanraya.com/id/produk/epoxy-fast-dry