DESCRIPTION

• BESTOLIFE C-55 is a lead-based thread compound for rock drill steel joints, couplings, and bits, formulated to withstand the stresses and temperatures of percussion rock drilling. C-55 will not melt or leave burnt residue to bind threads, and is suitable for all rotary drilling joints.

APPLICATIONS

• Rock drill thread lubricant. 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: Black
Penetration: 265-285 (ASTM D 217)
Weight/Gallon: 21.3 pounds/gallon
Dropping Point: ≥500°F/≥260°C (typ)
Flash Point: ≥392°F/≥200°C (min)
Brushable To: 15°F/-9°C
Friction Factor: 1.0 (relative API Modified)
Contains: Over 60% metallic lead and other nonmetallic additives