Higher molecular excess weight diglycidyl ethers (n ≥ 1) are shaped with the response with the bisphenol A diglycidyl ether shaped with further more bisphenol A, this known as prepolymerization: Densifying plastic elements including PET and plastic baggage and afterwards applying them to partially change mixture and depolymerizing PET to https://www.propanraya.com/id/produk/epoxy-fast-dry