Description Outer bore of TPU ( Polyurethane based on Ether ); Spiral made of HPVC welded to outer bore. Light & highly flexible hose, excellent abrasive and mechanical properties, good chemical resistance, free of halogens, food-grade. Application : Suction of abrasive wooden chips, granulates, dust, fume, air ducting for warm air supply and many more. Material handling in Plastic Industry and textile Industrial Transparent with Grey Rigid Helix. Also available in food grade. Temperature Range-20° C to + 80° C.