Medium weight and flexible spiral PU (Polyurethane) hose. Applications: conveying dusts, chips and other abrasive materials in extraction systems including wood dust extraction, sawing and milling, grass extraction, leaf extraction and other granular materials like grain. Structure: Clear TPU / Polyether-Polyurethane, spring copper plated steel wire. Temperature: -40°C up to 100°C, short term up to 125°C Properties: hydrolysis and microbe resistance, abrasion and UV resistance, flame-retardant, permanently antistatic, good oil and petrol resistance, very smooth inside.