PVC Drainage Pipes and fittings 1.Resistant to acid and alkali 2 ... installation PVC Drainage Pipes and fittingsBerif features:Healthy,high temperature resistance,corrosion resistant,heat preservation,non-toxic, ... unit length is only 1/6 of the cast-iron pipes.b)High strength: tensile strength comes to above ... same diameter, and it can save the cost of discharge power.d)Corrosion resistance: it has the ...