... , its bending radius reaches less 5 times than outside diameter of pipe, convenient and economical installation;3. Less interior friction, ... the liquid conveyance capacity is more 30% than metal pipe with equal diameter;4. Anti-corrosion, the working life is approximately ... : PPR (Hyosung, Borealis, Yanshan, SK) Our Mould Room Pipe Production Lines Part of Test Process Packaging (According to your ...