... Excellent flexibility,medium weight,smooth interior,compressible. safty flexible Aluminum hose. Material & Structure:Copper plated spring steel spiral ... C halogen free, physiological safe, cadmium fee,safty hose.High tensile and abrasion strengths and ultimate elongation.Excellent ... fumes,resistant to hydrolysis Applications:Suction and transportation hose for the factorys, such as plastic and chemical ...