... from high quality asbestos impregnated with graphite and oil, it has a good elasticity and very good sliding properties. It has ... as a stuffing box in pumps (especially boiler feed pumps) and in valves. Resistant to alkaline solutions, inert fluids, steam, gases, ... hot water and salt solutions. Parameter:Tmax,°C450Pmax,bar80D,g/cm31. ...