Character: Green powder with strong coloring strength and covering strength. Usage: Plgment, paint, glass, building ceramic colo
Characters and Uses: They are white, fine powder, insoluble in water. When mixed with hot, strong mineral acids, they decomposed.
It is mainly used for smelting metal chromium and chromium carbide It is used ascolouring agent for cocor paintingon enamelware and porcelainware, imitation leather or buidingmaterial It is also used formaking sun-proof coating, abrasive, green polishingcompound and special printing inkfor printing bank is usedas catalyst for organic syntheticchromium.
|Item||Best quality||First quality|
|Water content, %||0.15||0.3||0.15||0.15|
|Content of insoluble substance in water, %||0.1||0.4||0.2||0.2|
|PH||6-8||5-8||No regulation||No regulation|
|oil absorption, g/100g||1.5-2.5||1.5-2.5||2||2|
|Cast||Satisfactory||Satisfactory||No regulation||No regulation|
|Relative colouring power, %||Satisfactory||Satisfactory||No regulation||No regulation|
|Sieve residue, %, 45um||0.1||0.3||0.3||0.5|