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Natural Flake Graphite 599.9
Spherical Graphite SG11
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Spherical Graphite SG8



Product Name Natural Flake Graphite
Manufactured by Qingdao Unimate Graphite Co., Ltd.
Specification SG8

Certificate of Analysis


Certificate No.s Date of Testing Order Q’ty
Batch No.s Q’ty of Testing Record




Items Unit Acceptance Requirements Typical Note
 Chemical Composition
Fixed Carbon % ≥99.95 99.975 100 – Ash
Ash  % ≤0.05 0.025 Fired until constant-weight at 950 to 970℃
Partical Size Analysis
D10 μm ≥4 5.015
D50  μm 7~9 8.850
D90  μm ≤14 13.906
Dmax  μm
Other Properties
PH  –
Moisture  % ≤0.1 8.850
Tap Density g/cm3 ≥0.75 13.906
SSA m2/g
Fe ppm ≤50 43


Tested by: (Lab Technician) Checked by: (Lab Manager)
Zhang Shuyan Yu Shenghui
Approved by: (QC Manager) Conclusions:
Liu Yongling Qualified