white powder, slightly dissolved in water,
hot alcohol and ethanol, not dissolved in alkali solutions; decomposed
by strong acid to be boron trifluoride; dissolved with carbonate of
alkali metals to be fluoride and borate; melting point 530°C.
Specifications:
Appearance
White powder
Assay
99% min
Chloride(Cl)
0.1% max
Sulfate(SO4)
0.01% max
Iron(Fe)
0.03% max
Moisture
0.05% max
Lead(Pb)
0.01% max
Calcium(Ca)
0.05% max
Magnesium(Mg)
0.05% max
Fluosilicate(as SiO2)
0.3% max
Granularity
Pass +60mesh:5%max;
Pass +200mesh:50%min
Pass -300mesh:15% max 70
Packing:
25 kg composite bag
Uses:
analytical reagent, fusing agent, in manufacture
of boron trifluoride, mould material for casting Al and Mg, in electrochemical
and chemical experiments.