Kroil® Penetrant with Graphite (Formerly Penephite®) – 55 Gallon Drum

Kroil® Penetrant with Graphite (Formerly Penephite®) – 55 Gallon Drum

High-temperature penetrating oil with graphite for long-lasting lubrication.

Kroil® Penetrant with Graphite—formerly Penephite®—combines the proven penetrating power of Kroil with a graphite additive that leaves a durable, dry-film lubricant. It creeps into one-millionth-inch spaces to break through rust, carbon, and corrosion, freeing seized fasteners and components. The graphite film adheres to metal and continues lubricating in temperatures up to 700°F (371°C). Made in the USA and 50-state VOC compliant.

• Deep penetration: Loosens rusted bolts, studs, fittings, shafts, pulleys, and couplings.
• Graphite-enhanced: Leaves a protective, high-temp film to reduce friction and galling.
• Moisture displacement: Helps prevent future rust and corrosion after disassembly.
• Industrial scale: 55-gallon drum supports fleet, plant, and hangar maintenance programs.
• Versatile: Ideal for aviation maintenance environments, manufacturing, utilities, marine, and automotive.

Choose the 55-gallon drum for cost-effective, continuous use in parts soaking, maintenance stands, and production lines. Formerly sold as Penephite®, this is the same trusted formula with updated branding—engineered to simplify repairs, reduce downtime, and protect equipment under extreme heat and load.

Technical Specifications

• Size: 55 Gallon Drum.
• Formula: Blend of penetrating oils, solvents, and graphite.
• Temperature Range: Lubricates up to 700°F (371°C).
• Compliance: Made in USA; 50-state VOC compliant.
• Use Cases: Freeing rusted fasteners; high-temp lubrication; corrosion protection.

Need smaller sizes? See our Kroil® Penetrant with Graphite – 13.5oz to 15 Gallon for aerosols and shop quantities.