Compression Packing Seal Product Type Compression Packing Seal Overall Length 25 ft Ambient Temperature - Maximum 500 Degrees F Pressure for Pumps - Maximum 250 psi pH - Maximum 14 pH External Coating Silicone Oil Temperature in Steam - Maximum Not Rated Standards MIL-P-24396 Seal Material PTFE Shaft Speed - Maximum 1 200 fpm pH - Minimum 0 pH Packing Seal Size 9/16 sq in Pressure for Valves - Maximum Not Rated Includes Lubrication Ambient Temperature - Minimum -400 Degrees F