Water Well Drill Rod Compound An excellent drill rod compound for water well and construction applications. 21 is formulated to provide a superior level of performance for the increasing demands of today’s water well and HDD drilling markets. The lead-free formulation contains copper flake as the only metallic component and is fortified by a unique blend of natural, inorganic, extreme-pressure, and anti-wear additives. 21 utilizes our EXTREME base grease which is resistant to invert or high-pH muds and provides better pipe storage properties. Benefits of using 21 (Water Well) Lead & zinc-free Rust & corrosion inhibitors Excellent resistance to make up downhole Sticks to wet joints Specifications: Base Materials: Complex Soap / Petroleum Certifications: Not classified as a marine pollutant TDS SDS