| 摘要 |
PURPOSE:To prevent the pollution of underground water by using dichlorofluoroethane as an effective component. CONSTITUTION:This cleaner for buffed article contains dichlorofluoroethane as an effective component. Other various components may be added to the cleaner according to the purposes for which the cleaner is used. For example, in order to enhance the abrasive removing effect, hydrocarbons, alcohols and ketones may be added. When abrasives are removed from an article composed of a metal, plastics and elastomer, the cleaner has a less harmful effect on the article than conventional 1,1,1-trichloroethane polluting underground water. |
