Specilication:( HG2-478-83)
Melting point ,℃≥ High grade(specification) 99.0
1stGrade (specification) 98.0
2and Grade(specification) 96.0
Reduction in weight after heating, %≤ High grade(specification) 0.20
1stGrade (specification) 0.3
2and Grade(specification) 0.5
Ash,% ≤: High grade(specification) 0.20
1stGrade (specification) 0.3
2and Grade(specification) 0.4
Screen residue(100 meshes), %≤ High grade(specification) 0.00
1stGrade (specification) 0.05
2and Grade(specification) 0.10
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