Compression Packing Seal Product Type Compression Packing Seal Overall Length 25 ft Ambient Temperature - Maximum 550 Degrees F Pressure for Pumps - Maximum 500 psi pH - Maximum 14 pH Temperature in Steam - Maximum Not Rated Standards OSHA Seal Material Graphite PTFE Shaft Speed - Maximum 800 RPM pH - Minimum 0 pH Packing Seal Size 5/8 sq in Pressure for Valves - Maximum 1 500 psi Includes Lubrication Color Black