CHRISTO-LUBE® MCG 129 is a fully fluorinated grease thickened with PTFE which operates under extreme temperature conditions, has outstanding stability with oxygen and excellent compatibility with metals, plastics, and elastomers. This medium consistency fluorinated lubricant is particularly useful in lubricating valve and regulator components found in scuba, medical and industrial gas applications. CHRISTOLUBE® MCG 129 is registered with NSF as an H-1 lubricant meaning it is acceptable for use in or around food processing equipment.