Purity FG with Microl from Petro-Canada is an industrial-strength,
food-grade lubricant with an antimicrobial preservative registered by the US
EPA for use in food-grade lubricants. The lubricant is also registered with NSF
International. It is available as a grease, hydraulic or gear fluid and is
proven in lab testing to help protect the lubricant from degradation due to
microbes, says the company.