Oilfield Tool Joint Compound JLS  Lead Free 45.5 Lb Lined Pail by Jet-Lube is a high quality product containing premium grade copper flake, amorpHous graphite, rust and corrosion inhibitors, and other inorganic solids. JLS is blended in JET-LUBE’s unique grease compounded from custom refined, low-sulfur oil to ensure brushability over a wide temperature range, tenacious adherence to all surfaces, resistance to water washout, and prevention of rust/corrosion. Benefits of using JLS (Oilfield) Lead & zinc-free Formulated with inorganic additives for protection and prevention of excessive circumferential makeup of tool joints in average drilling conditions Unique high temperature grease base with brusability over a wide temperature range Sticks to wet joints Low sulfur content Consistent rig floor makeup Resistance to further makeup downhole in medium drilling Specifications Base Materials: Aluminum Complex / Petroleum Friction / K-Factor: 1.0 (per API RP-7G) Certifications: Conforms to the API RP7G make-up charts TDS