PURPOSE: To facilitate degreasing and cleaning of machine parts comprising a metal or another material freed of working oil which has stuck in the stage of working the parts with said working oil without causing adverse effect on the formed parts by using a degreasing detergent consisting of 1,2-difluoroethane as effective component.
CONSTITUTION: Machine parts comprising a metal, plastic, elastomer, etc., are degreased and washed because working oil sticks to the formed parts in the stage of working said formed parts. For this purpose, a degreasing detergent consisting of 1,2-difluoroethane as primary component and contg. 20W30wt.% at least one kind of org. solvent among hydrocarbons, alcohols, ketones, chlorinated hydrocarbons, esters, etc., is used. The degreasing detergent of this invention has superior degreasing detergency and causing no destruction of the ozone shield of stratosphere and causing no adverse effect on formed parts.
JINUSHI KAZUKI
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