Material: Outer bore: high quality PU(Polyurethane) Reinforcement: Copper plasted steel wire spring Structure: Copper plated spring steel spiral embedded into polyurethane wall Properties: 1. Excellent flexibility,medium weight,smooth interior,compressible,abrasion resistance. 2. High tensile and abrasion strengths and ultimate elongation. 3. Free of softeners, halogen free, physiological safe, cadmium fee. 4. Excellent resistance to oil and petrol fumes,resistant to hydrolysis. Colors: Transparent Temperature Range: , - 40 C to + 90 C (Max. 125C for short period) Applications: 1. Suction and transportation hose for the woodworking, plastic and chemical industry for transportation of solids. 2. Ventilation of dust and fumes,hot and warm air duct, air conditioning system, industrial vacuum cleaners. 3. Conveyance of light abrasive solids such as timber off cuts, metal swarf,oil,etc. 4. As transport hose in glass tubes, ports, steel mills, quarries, shipyards and cement. 5. As robust protection hose. Net bags.