509 Zinc chromate
Product name：509 Zinc chromate
Paint the index number：P.Y36
Molecular formula：4ZnO.4CrO2.k2O.3H2O
Product properties：Slightly soluble in water, strong acid or alkali to meet can decompose.
The main characteristics：It can release a small amount of chromium SuanGen ion when meeting water, and combined with the metal surface passivation, have very good anti-corrosion properties.
Application scope：Can be used for alkyd primer and phenolic primer, high-chprimer, epoxy resin primer, polyurethane primers, etc. It is The most appropriate anticorrosion primer maintenance primer, also is the light metals antirust pigment, common used in non-ferrous metal primer. Be used in large coil coating.
Attention：This product should be avoided mixed use with a acid alkaline or reducing substances. Before using this product, should go to the test, to ensure that our products can meet the requirements of your company.
This product in transportation, storage process, should avoid contact with water.
509 Zinc chromate technology index
|
Project |
Index |
|
appearance |
Yellow powder |
|
105℃ volatiles % |
≤ 1.0 |
|
CrO3 % |
≥ 43.0 |
|
Zinc oxide % |
35.0-40.0 |
|
Chloride |
≤ 0.1 |
|
Oil absorption g/100g |
≤ 30.0 |