... :PP,PE or PA color:black,yellow,red,blue,green,white etc. size:diameter 10 to 200 Spiral guard hose Material PP ... two kinds----convex surface and flat surface Performance1)Exterior surface:Spiral protection sleeve surface smooth, no lack of material, cracks, ... 30Mpa;Impact strength(unnotched):continue7)Has good UV resistance. Black spiral protection sleeve product line by adding a certain ratio of ...