Increased molecular excess weight diglycidyl ethers (n ≥ 1) are formed because of the response on the bisphenol A diglycidyl ether fashioned with further more bisphenol A, this is referred to as prepolymerization: Hardeners which demonstrate only reduced or restricted reactivity at ambient temperature, but which respond with epoxy resins https://www.propanraya.com/id/produk/epoxy-fast-dry