PA hose has superior mechanical strength and excellent abrasive resistance,oil resistance,superior cold resistance The nylon air hose is high precision of inside and outside diameter,suitable for various kinds of fittings. It is high resistance to hydrocarbons oils and chemical products. Nylon tube (PA hose), referred to as PA tube for short. PA pipe has good physical and chemical and mechanical properties: wear resistance, can be used under the conditions of sand, stone, iron chips; smooth surface, reduce resistance, can prevent rust and scale deposition; soft, easy to bend, easy to install , Simple processing.