... .PA Nylon Applications: Bearings, gears, wheels, roller shaft, water pump impeller, rope, fishing nets and transformer coil, Nozzle, ... of Bakelite, 1 / 3 of Babbit, so it is a self-lubricating material.Good mechanical properties: hardness of its surface ... impact strength and high ductility.Excellent chemical stability: it is a weak base, whether chemicals, alcohols, esters, copper, oil hydrocarbons ...