BESTOLIFE Copper Rock is a lead-free, zinc-free thread compound for rock drill steel joints, couplings, and bits. It provides galling and seizing resistance and surface-active extreme pressure protection. APPLICATIONS Non-lead rock drill thread compound. Recommended for coal drilling, percussion rock drilling, blast hole drilling, all rotary joints, road construction, logging, mining, pneumatic drilling and track drills. PRODUCT CHARACTERISTICS Color: Copper Penetration: 275-295 (ASTM D 217) Weight/Gallon: 10.9 pounds/gallon Dropping Point: ≥500°F/≥260°C (typ) Flash Point: >399.2°F/>204°C (min) Brushable To: 15°F/-9°C Contains: Copper, graphite and other nonmetallic additives