Compression Packing Seal Product Type Compression Packing Seal Overall Length 25 ft Ambient Temperature - Maximum 600 Degrees F Pressure for Pumps - Maximum 500 psi pH - Maximum 14 pH Temperature in Steam - Maximum 650 Degrees F Standards OSHA RoHS Seal Material Carbon Shaft Speed - Maximum 4 000 fpm pH - Minimum 0 pH Packing Seal Size 1/2 sq in Pressure for Valves - Maximum 2 500 psi Includes Lubrication Color Black