Castle Endura is a high-strength lubricant with exceptional adhesive strength. It sprays as a liquid, penetrates tight areas, and sets up as long-lasting grease. PTFE is added, giving Endura greater lubricity and heat resistance. This exclusive formula assures that the product will penetrate and stay where it is sprayed, resisting resist throw off, squeeze out, high pressure, and water. Castle Endura provides protection against rust, corrosion, acids, and alkalis; it has a temperature range of -30°F to over 600°F. Endura is also salt resistant. 12-pack. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.