Aluminum fluoride is used by aluminum producers to lower the melting point of electrolytes in the smelting process and increase production efficiency. It is also used as a flux ingredient for the removal of magnesium in the refining of aluminum scrap. When magnesium-bearing aluminum alloys are melted, fluoride reacts with the magnesium and permits removal of this element. This enables remelters to produce aluminum alloys substantially free of magnesium.

Parameters Specification Analysis Results
Alf3 94% min 94.4%
SiO2 0.20% max 0.01%
NA 0.50% max 0.20%
Fe2O3 0.03% max 0.015%
SO4 0.15% max 0.05%
P2O5 0.02% max 0.002%
LOI at 550 deg. C 0.5% max 0.40%
Moisture 0.25% max 0.20%
-325 Mesh 10.0% max 9.0%

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