本软管用尼龙,聚乙烯塑料制成。它主要适用于工业电器装置作电缆、电线保护套,软管纵截面为单壁(非螺纹形) The aetioporphyrin hose was made of the nylon, polyethylene the lastics . It is primarily the apparatus of compliant indrstry electric appliances make the electric cable, electric wire conservancy the set, the vertical section for unipole wall ripple the tube( not thread shape)