Castrol Syntilo™ 81 E is a mineral oil and formaldehyde releasing agent free synthetic coolant. It contains an additive package that provides good corrosion protection to machine tools and parts. The fluid also provides excellent product stability which helps to lower the overall operational costs. Syntilo 81 E is suitable for large central systems and single sump machines. Extended fluid life can help to reduce maintenance and downtime. Low foam in recommended water conditions (see details below);Good anti-corrosion properties to protect machine tools and parts. Rejects tramp oil to the surface of the fluid for easy removal. Settles chips quickly to prevent grinding wheel build-up and maintain a clean working environment. Formaldehyde releasing agent and nitrite free which help you to fulfil aspects of legislative requirements and waste treatment requirementswhere applicable.