There are two main processes for the production of chromate salts in the world, calcium-roasting and non or little calcium roasting.

目前世界铬盐生产中存在着两大类主要的生产工艺，有钙焙烧和少钙或无钙焙烧。

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It has shown that the antirust properties of calcium phosphite coatings are similar to the red lead antirusting coatings and superior to the zinc chromate or zinc phosphate antirusting coatings.

试验结果表明，亚磷酸钙涂料的防锈性能与红丹防锈涂料相当，优于锌铬黄、磷酸锌防锈涂料。

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