Inspection item

Standard

Results

Individual judgment

Appearance

Silvery gray powder, no caking, no impurity

Silvery gray powder, no caking, no impurity

Qualified

Screen monitoring

-325mesh≤10%

+200mesh≤5%

-325mesh≤6%

+325mesh≥80%

+200mesh≤3%

合格

Qualified

铝（AL）

≥99%

99.20%

合格

Qualified

铜（Cu）

≥0.015%

0.0005%

合格

Qualified

铁（Fe）

≤0.20%

0.1071%

合格

Qualified

硅（Si）

≤0.20%

0.0701%

合格

Qualified

水份

≤0.10%

0.0075%

合格

Qualified