... index:size: Φ355mmstructure: Consisting of inner rubber coated fabric ply, insulation ply, outer rubber coated ply, spiral wire, outer protection strips ... hot air passes through the hose.Retraction property: The flexible hose can be contracted to 1/4 of naturally ... course of storage, transport and service, prevent the hose contact with following materials: a. Ethyl acetate, acetone, methanol, alcohol, ...