| 摘要 |
PCT No. PCT/AU80/00055 Sec. 371 Date Apr. 29, 1981 Sec. 102(e) Date Apr. 20, 1981 PCT Filed Aug. 28, 1980 PCT Pub. No. WO81/00579 PCT Pub. Date Mar. 5, 1981.The invention provides a composition for application to a metal surface, the composition comprising an inorganic nitrite, a benzoate and a carbonate in aqueous solution. The composition may advantageously be used as a lubricant or coolant during metal working, for example temper rolling, and for protection of coil or sheet packs of steel against corrosion. |
