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Gaoxin Zhongcai brand Zhongcai anti-corrosion zinc chrome yellow 109, 309, 509
Product form Yellow powder
Product features: Also known as zinc yellow, it is a light yellow pigment containing zinc chromate. Its light resistance is better than that of lead chrome yellow, but its hiding power and tinting strength are slightly lower. It is slightly soluble in water and can be completely dissolved in acids or alkalis. It has an anodic protection passivation effect and also acts as a cathodic corrosion inhibitor. It is an important anti-rust pigment. According to the composition changes, there is a series of compositions, with the components varying between 5ZnO·CrO3·4H2O and 4ZnO·4CrO3·K2O·3H2O.
Chemical category Yellow pigment 4ZnO.CrO3.3H2O
Color index number Pigment Yellow 36 (77955)
CAS No. 49663-84-5
Technical data
Chromium trioxide content (calculated as CrO3) % Minimum 17
Zinc oxide (calculated as ZnO) % Minimum 60 69
Alkali metal content % 12
Water-soluble chloride content % 0.1
Moisture % 1
Oil absorption (g/100g) 35
Residue on sieve (m/m 200 mesh) % 3
Usage: Mainly used for formulating various types of anti-rust primers. Those with phenolic resin as the base material can be made into zinc yellow phenolic primers, and those with alkyd resin as the base material can be made into zinc yellow alkyd baking or air-drying primers.
Standard packaging: 25 kg/bag, 20 kg/bag and 1000 kg/bag
Transportation and storage: To avoid weathering, it should be stored in a dry place and avoid drastic temperature changes. For the opened product: The package should be sealed to prevent moisture absorption and contamination.
Safety: According to the relevant directives of the European Community and the effective regulations of individual countries in the European Union, this product is classified as a dangerous good. It is considered dangerous in the transportation regulations. In countries outside the EU, ensure compliance with the classification, packaging, labeling and transportation regulations of each country regarding hazardous substances. Be sure to check the safety data sheet, which contains information on the safety and ecological handling of the product.
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