Compression Packing Seal Flexible Graphite Packing with PTFE and Lubrication Square 3/16 In. Length 25 Ft Dull Gray Color Ambient Temp Range -400 to 700 F Max Temp in Steam 1200 F Max Pressure for Pumps 250 PSI Max Pressure for Valves 950 PSI Max Shaft Speed 3000 Ft/Min pH Range 0 to 14 For Use In Pumps/Valves Application Rotating Applications Including General Service and Acid Pumps