Chemical hose 1.oil-resistant 2.acid-alkali resistant 3 ... It is a multi-layer thermoplastic hose designed around several PTFE (Polytetrafluoroethylene) liners, supported by a Stainless Steel inner wire, ... suction or pressure, PTFE hoses are apply in rail and road tanker, loading and unloading; storage tank ,chemical industry and in-plant ... , BS5842, BS3492, BCH, CMO, CCS, BV and so on. Chemical Hoses