| 摘要 |
A stable coating composition for use in protecting metallic substrates from corrosion, comprising in weight percent, based on the total weight of the composition: from about 7% to 35% of alkyl silicate as a film forming substance; from about 35% to 55% of zinc powder; from about 5% to 25% of zinc flakes; from about 0.2 to 5% of at least one amorphous silica; and up to about 30% particulate ferrophosphate; wherein the alkyl silicate comprises, in weight percent, based on the weight of the alkyl silicate: from about 5% to 20% of tetraethyl orthosilicate. |
