Construction: Plaited from pre- mium grade, long-line, high ten- sile strength ramie/flax yarn and sealed with a superior water- proof, tallow base lubricant. pH Range: 6 – 9 (Brines, cold wa- ter and oils) Temperature Limit: -10oF to 200oF (-23oC to 93oC) Pressure Limit: 150 psi (10 bar) Shaft Speed: 1000 fpm Service: Designed particularly for marine stern tubes, bilge pumps and rudder posts.