| 摘要 |
Razor blade is coated in the region of its cutting edge with a copolymer of thiocarbonyl fluoride and tetrafluoroethylene. Pref. the copolymer has a mol. ratio CF2S: C2F4 of 2 1-1:30 and is plasticised with a chlorofluorocarbon or perfluorocarbon oil. |
