Some products have limited compatibility and should only be used on select materials. The Sprayon LU 620 anti seize lubricant is compatible with metal. Is rated as Military Grade. Can be used under the following temperature ranges: 0 F minimum operating temperature to +2200 F maximum operating temperature. In addition to the other features this product meets the following standards: MIL PRF 907F. This anti seize lubricant is packaged 12 per case.