Castrol Optileb GR FS (formerly named OBEEN FS 2) is a physiologically safe, fully synthetic (free from mineral oil), special grease. It is especially suited for the food, beverage and p harmaceutical industries where there might be a direct contact between the lubricant and the foodstuff or its packaging. Optileb GR FS 2 only contains raw materials which are listed in the Guideline of Security 21 CFR 178.3570 of the FDA and which are in conformity with NSF H1.