| 摘要 |
PURPOSE:To provide a low toxic cutting oil excellent in lubrication, cooling property, rust prevention, and is easy to treat wasted oil with improved enviromental pollution by using composition of official class fluid paraffin and specific lubricant. CONSTITUTION:To official class fluid paraffin having viscosity 5-200cst at 37.8 deg.C and average molecular weight 200-450, 10-80wt%, or preferably 30-50wt% of one or more of partial hydrogenate of vegetable oil selected from rape oil, soy-bean oil, cotton seed oil, corn oil as lubricant, and 0-20wt%, preferably 0-10wt% of palm oil or coconut oil having iodine value of 5-80 are added. |
