We are offering PTFE Aramid Packing - RI – 81. PTFE fiber packing of 100% virgin fibers. This gland packing is made from combination of PTFE fiber at the faces and Pure Aramid at the corners. This design provides excellent dimensional stability and is recommended to use in Plunger pumps and pumps handling corrosive media. This is a non toxic, non contaminating packing. Service Conditions: Liquid ammonia, carbonate, Urea,oxygen pumps & valves, acids, food industry. RI- 81 pH=2-12 Temp °C=-200 to +260 Pr. Bar=250 Velocity= Density=1.4 to 1.6 gcm² Size