PVC PIPE FITTINGS Material:PVC Standard:GB,ISO Advantages:High flow capacity, endurable, nontoxic,pressure proof,easy install PVC PIPE FITTINGSSizes:40mm ... resistance, as well as high compressive rating and pipe safety factor2. PVC-U has good aging resistance with normal ... , alkalis, salts resistance, suitable for sewerage and industrial effluent disposal4. PVC-U is a combustion-proof material of grade ...