| Industrial
Sodium Fluoride
M.F.:
NaF
M.W.:
41.99
Properties:
white crystalline powder; slightly soluble in water; insoluble in
alcohol; aqueous solution is corrosive to glass; M.P.: 992 ;
toxic.
Applications:
mainly for electrolytic aluminum; antiseptic agent for timber; as
pesticide
Product
Quality:
| Grade |
NaF |
SiO2 |
Na2CO3 |
sulfate
SO4 2-(HF) |
water
insoluble |
H2O |
| no
less than |
no
greater than |
| A |
98 |
0.5 |
0.5 |
0.3 |
0.1 |
0.7 |
0.5 |
| B |
95 |
1.0 |
1.0 |
0.5 |
0.1 |
3 |
1.0 |
| C |
84 |
- |
2.0 |
2.0 |
0.1 |
10 |
1.5 |
Storage:
store in dry depot; avoid breaking the package and damp air
Ammonium
Fluoborate
M.F.:
NH4BF4
M.W.:
104.86
Appearance:
colorless needle shaped crystal
Purity:
 98%
Heavy
metal (i8n Pb): 0.1%
Free
acid: 0.1%
Applications:
fusing agent for the welding of lead, copper and aluminum alloy;
anti-oxidation additive and ignition suppressant for casting of
magnesium products.
Packing:
25 kg in knitted plastic bag
|
