... : PU/TPU(polyurethane) Type: Straight/Spiral Coil pu tube character; 1.excellent performance of resistance agaist high-pressure,vibration,wear,corrosion and bending2 ... ;red,orange,yellow,black,blue,green,nature,transparent ,etc.4.excellent flexibility,the bevelling radius is small,the operating temp and ... .51510047.68 1/2"12.69.61.510065.38 pu tube