DURACUT is a MULTI-PURPOSE SOLUBE CUTTING OIL manufactured from carefully selected paraffin base oils and proprietary emulsifiers which have a bearing on the clarity and stability of the emulsion even with water of 1000 ppm hardness. A stable milky white emulsion is prepared by adding the oils to water, with continuous stirring. DURACUT gives the desired cooling characteristics, provides protection and lubricity for the cutting operation with good finish of work piece and longer life for tools. DURACUT is also fortified with appropriate biocides to keep control of bacterial growth.