|
Item
|
Index
|
|
I for Pigment
|
II for abradant
|
|
Premium grade
|
First grade
|
Salable product
|
Premium grade
|
First grade
|
Salable product
|
|
Cr203 %,≥
|
99.0
|
98.0
|
97.0
|
99.0
|
98.0
|
97.0
|
|
Moisture%,≤
|
0.15
|
0.30
|
0.50
|
0.15
|
0.30
|
0.50
|
|
Water soluble matter%,≤
|
0.1
|
0.4
|
0.70
|
0.2
|
0.40
|
0.70
|
|
Aq. solution,PH
|
6--8
|
5--8
|
No
|
|
Oil absorption,g/100g
|
15--25
|
¡Ü20
|
¡Ü25
|
|
Chroma
|
Ok
|
No
|
|
Fastness,%
|
OK
|
No
|
|
Residue on screen%,45um,≤
|
0.1
|
0.3
|
0.5
|
0.3
|
0.5
|
75um0.5
|
|
Remark:The chroma and fastness is optional.
|
|
|