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: CopperPenetration: 300-320 (ASTM D 217)Wei