Zinc chromate, Zn Cr O4, manufacturers, suppliers, exporters, producers, in Visakhapatnam India.

Vizag chemical is one of the leading Zinc chromate, Zn Cr O4, manufacturers, suppliers, exporters, producers, in Visakhapatnam India. We are supplied into various industrial markets including Household, Institutional Cleaning, Personal Care, and Industrial sectors including Oil fields, Agriculture, Lubricants, Marine Industry, Metal Working chemical industry, and Coatings markets.

Zinc chromate, Zn Cr O4, is a chemical compound containing the chromate anion, appearing as an odorless yellow powder or yellow-green crystals, but, when used for coatings, pigments are often added. It is used industrially in chromate conversion coatings.

Zinc Chromate is a corrosion-resistant agent that is added to certain coatings. Even today, chromate finishes including Zinc Chromate provide superior corrosion resistance. Additionally, Zinc Chromate is highly toxic thus protecting the surface from a proliferation of organic matter.

The 'native' tone of zinc chromate crystalline salt is a bright greenish-yellow. When put into a vehicle with binders to make paint, this color would be the raw result.

Such raw Zinc Chromate primer would also give a semi-translucent coating, not very opaque like a pigmented paint or lacquer. This property becomes especially interesting when we consider that aircraft factory instructions often called for just one protective coat of primer. As a consequence, the color of the underlying surface might have a significant effect on the final appearance. For example, raw Zinc Chromate applied on the white background would look yellow, while applied to bare metal aluminum it would look more like apple green.

Similarly, any pigment might be added to the raw paint mixture to go with the Zinc Chromate, thereby modifying the color. Some of today's mixtures use iron oxide -- giving that rusty red appearance you can often see on prefabricated steel beams in highway and building construction.

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