BESTOLIFE Cal Bronze (CB) is an all purpose compound for rotary-shouldered connections, casing, and tubing. A copper/lead/zinc based compound, Cal Bronze is recommended for drill collars in light to medium duty drilling, drill pipes, and casing and tubing connections that require a thread compound for high temperature/high pressure conditions. APPLICATIONS Economical copper compound for use on drill collars and drill pipe. PRODUCT CHARACTERISTICS Color: Copper Penetration: 300-320 (ASTM D 217) Weight/Gallon: 11.7 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, copper, zinc, graphite, and other non-metallic additives