... ,we will make according to your requirements. PU tube,Polyurethane hose,Air brake coils :1).Material: PU ,TPU ,Polyurethane 2).Size ... : O.D.× I.D. (mm)Wall thickness (mm)Reel/coil length (m)4×2.40.825,50,100,2005 ... Instrumentation Lines 4).Feature: excellent flexibility,light,High transparency,Bendable without damage,wide use etc. 5). Burst pressure:40bar ======BlueMob.: +86 ...