Dry Graphite Lubricant is designed for engine & mechanical parts prior to their assembly. Made of synthetic colloidal graphite and is an ideal lubricant when petroleum products must be avoided. Heat stable up to 850F constant temperature, 1000F intermittent temperature. Excellent choice for extreme temperature lubrication requirements. Dry, oil-free coating that won't attract dirt or dust. Coefficient of friction 0.12. Long lasting lubrication and rust protection.