Chromium
Oxide Green pigment called chrome oxide green. there have
many preparation of chrome oxide process. but essentially has 3 kinds: by
chromium hydroxide preparation method of chrome oxide green, ammonium sulfate
sodium chromate salt decomposition method, Chromium Oxide Green
direct decomposition method.
The thermal decomposition of ammonium sulfate
sodium chromate salt, will be the United states of america, Britain, Germany as
well as other nations and the fundamental methods of production of chrome oxide
green, has turn out to be the biggest output in preparing chrome oxide green,
best high quality, most varieties of production techniques. its benefit is
fairly simple production procedure, cost reduce than that of chromic acid
decomposition method, wide adaptability, began in the rotating mass production.
the production procedure of fundamental does not produce dangerous gas. chromic
acid decomposition method quick in recent years . with the consciousness of Chromium Oxide Green.
chromic anhydride in 1999 made chrome oxide production twice about chromium.
The physical properties of chrome oxide green.
chrome oxide green with metallic luster. color is light green to dark green.
magnetism,covering power is strong, high temperature resistant, climate resistant,
insolube in water, in the atmosphere is stable. superb weatherability, meet
thermal stability, melting point 2265 degrees celsius, the boiling point of
3000 degrees celsius, is of top quality refractory materials. chrome oxide
green chemistry, insoluble in water, acid and organic solvents, slightly
soluble in concentrated sodium hydroxide answer, soluble in hot or boiling
sodium bromate solution of sulfur phosphorus mixed acid, good paint high
quality and fastness.
Chromium
Oxide Green may be utilized for smelting metal chromium and
chromium for creating stainless steel, auto parts , tools, tapes and videos.
chromium cross the rust on metal simultaneously, powerful and beautiful. used
for enamel, glass business,developing materials. particularly for the
production of ceramic pigment, vibrant colour products.
At house and abroad, as the international
economic recovery, building supplies, coating paint, plastic, ink and other
industries in the fast growth, the demand of inorganic pigment also increase
rapidly. with the rapid development of coating industry, as one of the main raw
material for inorganic pigment obtained rapid development. enhance the degree
of atmosphere security of inorganic pigment, using has got extensively
recognized business enterprises, environmental protection inorganic pigment
improvement path of the trend of the occasions.
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