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plating、chromium metal production、fire-proof materials、etc.
Package: in bags of 25kg net each.
Executing standards: HG／T2775-1996
Formula:Cr2O3：
Character: Green powder with strong coloring strength and covering strength.
Usage: Pigment、paint、glass、building ceramic colorants、printing-ink、chrome |
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Items
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Specifications
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Pigment Grade
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Grinding Grade
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A
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B
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C
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A
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B
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C
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Cr2O3 ％≥
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99.0
|
98.0
|
97.0
|
99.0
|
98.0
|
97.0
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Moisture ％≤
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0.15
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0.30
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0.50
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0.15
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0.30
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0.50
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Water soluble matter％≤
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0.5
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0.5
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0.7
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0.2
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0.4
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0.7
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PH Value％≤
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6-8
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5-8
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/
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Oil absorption≤
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15-25g/100g
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≤20
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25g/100g
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Tint
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As Standard
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/
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Coloring Strength
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As Standard
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/
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Residue(45μm)％≤
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0.1
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0.3
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0.5
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0.3
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0.5
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75μm 0.5
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l l The standard of coloring strength and tint can be discussed between manufacturer and consumer.
l l For metallurgy grade / refractory grade, or other grade for special purpose, please contact us directly
