abstract |
The invention relates to the protection of metal products from corrosion in atmospheric conditions, neutral aqueous media, brines, soils, fresh and sea water. To protect against corrosion, the composition contains. wt.%: zinc powder 60-85; water glass (water-soluble alkali metal or ammonium silicate) 7.5-20; copper pyrophosphate 0.1-0.3; alkali metal or ammonium pyrophosphate 0.15-0.50; water the rest. 1 tab. |