DESCRIPTION: COLOURLESS OR WHITE TRANSPARENT CRYSTALLINE WITH LITTLE SOUR; SPECIFIC GRAVITY 1.52 (20/4℃); BOILING POINT 240℃; MELTING POINT 124.6℃, IT IS EASY TO DELIQUESCENCE IN AIR, AND EXTREMELY EASY TO DISSOLVE IN COLD WATER. IT DISSOLVES SLIGHTLY IN ALCOHOL. UNDER THE HIGHER TEMPERATURE, IT CAN SUBLIMATE AND IT HAS CORROSIVENESS TO GLASS.
SPECIFICATIONS:
PURITY (NH4HF2)
98.0% MIN.
LOSS ON DRYING
1.6% MAX.
IGNITION RESIDUE CONTENT
0.10% MAX.
SULPHATE CONTENT
0.10% MAX.
AMMONIUM FLUOROSILICATE
0.8%MAX
USES: IT IS USED IN ACID TREATMENT OF OIL FIELD AND MAKING MAGNESIUM AND MAGNESIUM ALLOY. IT CAN BE USED AS LIGHT-ELIMINATING, FROST-PRODUCING AND ETCHANT OF GLASS. IT CAN ALSO BE USED AS PROTECTIVE AGENT OF WOOD, BRIGHTENING AGENT OF ALUMINUM, RUSTREMOVAL AGENT WHICH USED IN TEXTILE INDUSTRY AND ANALYTICAL REAGENT ETC. AGAIN, IT CAN BE USED IN ELECTROPLATE AND ELECTRONICS INDUSTRY.
