Flexible PVC helical hose

摘要

A flexible hose comprising(A) a soft hose main body formed of polyvinyl chloride resin; and(B) a helical rigid reinforcing means embedded in the soft hose main body formed of polyvinyl chloride resin wherein the specific gravity of the helical rigid reinforcing means is less than the specific gravity of the hose main body and the overall specific gravity of the flexible hose is less than 1.0 g/cm<3>.