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Technical data of wet method sericite mica（Standard Q/GR 001-2004）
Index |
GA-1 |
GA-2 |
GA-3 |
GA-4 |
GA-5 |
GA-6 |
GA-8 |
Fineness(mesh) |
425 |
800 |
1000 |
1250 |
1500 |
2000 |
4000 |
Whiteness(O) |
76±1 |
77±1 |
77±1 |
79±1 |
79±1 |
79±1 |
80±1 |
Oil absorption |
28-32 |
30-35 |
40-45 |
33-38 |
40-45 |
42-48 |
55-75 |
PH Value |
5-7 |
5-7 |
5-7 |
5-7 |
5-7 |
5-7 |
5-7 |
Moisture(%≤) |
1.0 |
1.0 |
1.0 |
1.0 |
1.0 |
1.0 |
1.0 |
+ 325 mesh remain rate(%≤) |
|
1 |
0.5 |
0.4 |
0.2 |
0.1 |
0.1 |
SiO2（%） |
60-68 |
55-58 |
52-58 |
52-58 |
50-55 |
47-54 |
47-54 |
Al2O3（%）
|
18-25 |
25-28 |
25-28 |
25-29 |
26-30 |
27-32 |
27-32 |
Remark：
1. + 325 mesh remain rate is inspected by wet sieve.
Oil absorption is inspected according to ISO787/5-1980。
2. The above data is regular specification, excluding special ones.
Technical data of dry-method and wind-selected sericite mica
(standard Q/GR 002-2004 )
Index |
fineness |
Whiteness O |
PH |
H2O% |
+325 mesh % |
SiO2 |
Al2O3 |
GB-1 |
200 mesh |
65-70 |
6-8 |
≤1.0 |
|
60-68% |
15-18% |
GB-2 |
400 mesh |
65-70 |
6-8 |
≤1.0 |
≤1% |
60-65% |
19-22% |
GB-3 |
800 mesh |
65-70 |
6-8 |
≤1.0 |
≤0.8% |
60-65% |
20-25% |
Remark：The above data is regular specification, special specification
may be processed as per client’s requirement, subject to report of
inspection
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