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Chrome Oxide Green RT4906

General Description

Product name: Chrome Oxide Green RT4906
Synonyms: Chromium sesquioxide, chromia, chromic oxide, chrome green, chromium green, chrome oxide green, chromium oxide green, chromium oxide
C.I. No.: 77288
Color Index: Pigment Green 17
CAS RN NO.: 1308-38-9
EINECS NO.: 215-160-9
RT4906 is high quality chrome oxide green, it is dark green powder with metal luster, insoluble in water, hardly soluble in acid. With a melting point of 2300°C and boiling point 4000°C, chromic oxide is commonly used in the production of refractory bricks to line metallurgical and glass furnaces and kilns, these bricks are often used in glass furnace linings, in the steel production process or in the chemical industry. while the shaped bricks in the fire door of steel furnace require lower iron and aluminum content, some even is needed to be desulfidation. Harder than other metal oxides, such as titanium or iron, chromic oxide is ideally suited to environments where temperature and process conditions are aggressive.

Color Sample

 

Applications

Mainly used in refractory industry to make bricks, mortars, ramming mixes, gunning mixes etc. to increase the refractory materials’ life, also used in ceramic stains, tile, as well as the areas which require very high temperature.

Typical Physical Properties

Specification Value
Appearance Green powder
Tinting Strength, % 95-105
Content of Cr2O3, % 99.0 min.
Residue (325 mesh sieve), % 0.2 max.
Moisture, % 0.2 max.
Water Soluble, % 0.3 max.
Oil Absorption, % 15-25

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