BESTOLIFE Mr. B combines finely powdered metallic lead with non-metallic additives to cushion joints and enhance high temperature applications. For use on drill pipe, casing, and pipeline connections of every type, Mr. B is not affected by H²S or drilling fluids. APPLICATIONS Economical tool joint and drill pipe compound. PRODUCT CHARACTERISTICS Color: Black Penetration: 290-310 (ASTM D 217) Weight/Gallon: 12.7 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), 1.1 (relative to API modified) Contains: Lead, graphite and other non- metallic additives