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Chrome Oxide Green
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Formula£º
Cr2O3
Specific Gravity£º
5.21
Usage: It is mainly used in smelting metal chromium, chromium
carbide and functions as the catalyst of organic synthetic
chromium. It is used as coloring agent of ceramics and
enamelware, imitation leather and building material. It is also
used for making sun-proofing coating, high abrasive material and
green polishing paste. Besides,it is the special printing ink
for bank note.
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Technical Standard of Industrial Cr2O3 |
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Execution Standard£º HG/T2775-1996 |
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Index Name |
Index |
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Pigment grade |
Abrasive grade |
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Excellent product |
First- grade product |
Qualified product |
Excellent product |
First- grade product |
Qualified product |
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£¨Cr2O3
£©content£¬%
¡Ý |
99 |
98 |
97 |
99 |
98 |
97 |
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Moisture %¡¡ ¡Ü |
0.15 |
0.3 |
0.5 |
0.15 |
0.3 |
0.5 |
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Water- soluble substance£¬
% ¡Ü |
0.1 |
0.4 |
0.7 |
0.2 |
0.4 |
0.7 |
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Aqueous solution
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PH |
6ÔÂ8ÈÕ |
5ÔÂ8ÈÕ |
No requirements |
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Oil absorption
£¬g/100g |
15-25 |
¡Ü 20 |
¡Ü 25 |
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Colour |
Up to standard |
No requirements |
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Relative colouring power£¬
% |
Up to standard |
No requirements |
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Remnant % 45um ¡Ü |
0.1 |
0.3 |
0.5 |
0.3 |
0.5 |
75um 0.5 |
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Note£ºColour
and relative colouring power standards are based on
user's needs. |
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