The operation of solvent cement may be broadly defined as the formation of a Joint where in a self bond between two polymeric component is promoted by the presence of a solvent in temporarily high concentration. The onion between two parts of a Joint is brought with the aid of solvents, solvent cement or adhesives.The type of joint best suited to solvent bonding is a lap joint. The nutuod in not normally used for but. Joint where these are likely to experience significant stresses.