Optileb HY™ are food grade hydraulic oils with NSF-H1 approval, developed to meet the special requirements of the food and beverage industries. They are based on synthetic oils and contain carefully selected additives to prevent wear, oxidation, and corrosion. All viscosity grades are certified to Halal and Kosher specifications. Optileb HY hydraulic oils comply with, and even exceed, DIN 51524 part 2 for HLP hydraulic oils.