Chromium Oxide Green 99%/Cr2O3:
CAS NO: 1308-38-9
Formula:Cr2O3
Purity: 98%min
Purity: 98%min
Appearance: geen powder
Yellow grade, pigment grade, Cr+6 grade, metallurgical grade
Yellow grade, pigment grade, Cr+6 grade, metallurgical grade
Specification:
|
Item / grade
|
SL-1
|
SL-2
|
SL-3
|
SL-4
|
SL-5
|
SL-6
|
|
Description
|
Green powder
|
Deeper green powder
|
Green powder
|
Green powder
|
Green powder
|
Green powder
|
|
Purity
|
99.00% min
|
99.00% min
|
99.00% min
|
99.2% min
|
98.00%min
|
99.00% min
|
|
Water soluble matter
|
0.30% max
|
0.30% max
|
0.35% max
|
0.20% max
|
0.40% max
|
0.4% max
|
|
Moisture
|
0.15% max
|
0.20% max
|
0.20% max
|
0.20% max
|
0.2% max
|
0.2% max
|
|
Oil-absorption
|
15-25g/100g
|
15-25g/100g
|
15-25g/100g
|
------
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15-25g/100g
|
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|
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Size:
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D50: 2um max
|
+325mesh: 0.30% max
|
+325mesh: 0.30% max
|
+500mesh:
0.3% max
|
+325mesh: 0.30% max
|
+250mesh:
0.05% max
|
|
Heat stability:
|
-------
|
1250
|
-------
|
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|
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|
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|
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Cr6 content
|
------
|
------
|
10ppm
|
------
|
------
|
10ppm
|
|
Chemical Content
|
------
|
------
|
------
|
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|
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|
SiO2: 0.1%max
CaO:0.17%max
Na2O:0.30%max
|
Properties: Green powder with strong coloring strength and good dispersion. Chrome oxide green Cr2O3 is synthetic, un-poisonous, temperature very resistant pigment, stable and resistant to acids alkalis, It is also light-stable.
Melting point:2250
Solubility: Insoluble in water and acids
Form: Dark green powder
Specific Gravity: 5.21
Application: specialized in paint and coating making.Mainly as follows:
1) Preparing middle and high-grade coating
2) High temperature resistant coating
3) Anti-counterfeiting coating
4) Pigment
5) Paint
6) Plastic
7) Glass
8) Enamel
9) Ceramic glaze
10) Cement
11) Rubber