Castrol Hysol™ ABF 12 (previously called Cooledge™ ABF 12) is a high performance soluble metalworking fluid which is boron, amine, chlorine and formaldehyde releasing agent free. It contains a unique additive package that works in synergy to enhance machining performance and surface finish, provide excellent product stability, improve bioresistance properties and lower the overall operations costs. Hysol™ ABF 12 is suitable for large central systems and single sump machines.