Compression Packing Seal, Pulp/Paper, For Use In - Packing Seals Pumps, Valves, Square (In. ) 1/8 in, Length 5 ft, Carbon Packing with PTFE (Continuous Filament), Lubrication - Packing Seals Yes, Max. Pressure for Pumps (PSI) 500 psi, Max. Pressure for Valves (PSI) NR, Black With White Coating Color, Ambient Temp. Range (F) 650, Max. Temp in Steam (F) 650, Max. Shaft Speed (ft/min) 3, 500 fpm, pH Range 0 to 14, Features Carbon Is Good For High Temperatures and High Shaft Speeds