... PU,TPU or PVC spiral hose 2 Hose for absorption ,transfer,transportation use hose and duct 3 Hose used as air ... ventilation Absorption hose,transfer hose,transpotation hose Materials: Polurethane,PU,TPUFeatures: 1 A Copper ... . 125°C for short period);Applications: Ideally suited for the transfer of large granular abrasive particles such as sawdust, timber off ...