LOX-8 Grease is a PCTFE/PTFE lubricant engineered to work with aggressive chemicals plus industrial gases, oxygen, and cryogenic liquids. It provides superior lubrication performance in environments where other lubricants wont survive. LOX-8 Grease NLGI 00 is MIL-PRF-27617G. ** Please note that due to the specific requirements, Lox-8 is a non-returnable item.