Colourless Passivation Chemicals

Business Type Manufacturer, Exporter, Supplier
Country of Origin India
Physical State: Liquid
Usage: Industrial
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Preferred Buyer From

Location Anywhere in India

Product Details

Colourless Clear
Weld Cleaning, Polishing and Passivation method:

KARSHATI’S range of products are especially designed for Energy conservation and environment friendly operation.

Increasing awareness of Operating cost and aesthetics aspect of Galvanizing has given impetus to the development quality Passivators as it plays very important role in controlling white Rust phenomena and protects surface till the Zinc Patina layer formation takes place. To meet the growing demands of 21% century and ever evolving galvanizing technology karshati has developed a unique product Most automotive producers have banned the use of hexavalent chrome passivations  for all parts beginning in the year 2003 and other industries will follow soon this ban. Therefore, the hexavalent chrome passivations now used on galvanized steel for construction, furniture and other applications is expected be banned in the near future. New passivation systems based on trivalent chrome can replace the current hexavalent processes with the same or, if needed, a much higher coating weight. Depending on the coating weight, the corrosion protection can be similar or even higher. The new passivation coatings are harder, more scratch resistance and are contain less water compared to the old hexavalent chrome passivation coatings. Because of the lower water content, these new coatings are more heat resistant. Unlike the hexavalent chromate coatings which are colored, the trivalent passivation coatings are colorless but have an iridescent appearance changing from colorless to green depending on the thickness. The application of a colorless topcoat to these trivalent coatings gives back the original appearance of the zinc coating. These new systems are tested for both hot dip and electrogalvanized steel in many instances Properties :


1) Chromium(VI)-free passivation with very good corrosion resistance

2) Suitable for galvanic zinc deposits

3) Applicable at room temperature

4) Suited for Dip application

5) Produces clear, slightly iridescent passivation layers

6) Highly concentrated products

7) Layer fulfils all requirements of ELV, RoHS and WEEE.


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