Jet-Lube 550 Nonmetallic Petrochemical Grade Anti Seize and Thread Lubricant, 1 lbs Brush Top Can Retains the equipment in serviceable condition Environmentally safe formula is free of sulfur, lead, copper and other environmentally undesirable metals Assures protection against rust, oxidation and corrosion It will not harden, evaporate, or settle out; and it requires no thinning Water resistant and excellent for rough-cut threads made of cast iron, steel and most alloys