BESTOLIFE Black Jack uses zinc oxide, graphite, oxidation and H2S inhibitors, and PTFE to combine effectiveness and economy. For new and worn drill pipe connections, Black Jack provides excellent seizing and galling protection, superior adherence, and effective washout resistance under the most severe conditions. APPLICATIONS PTFE compound for drill pipe. PRODUCT CHARACTERISTICS Color: Black Penetration: 300-320 (ASTM D 217) Weight/Gallon: 11.9 pounds/gallon Dropping Point: ≥350°F (≥177°C) Flash Point: ≥392°F (≥200°C) Brushable To: 10°F (-12°C) Friction Factor: 1.0 (per API RP 7A1) Contains: Zinc oxide, graphite, PTFE, other non-metallic additives