|
ITEM
|
POWDER
|
|
NaF
|
98% min.
|
|
H2O
|
0.2% max.
|
|
FREE ALKALI Na2CO3
|
0.5% max.
|
|
SILICA(SiO2)
|
0.5% max
|
|
SULFATES(SO4 )
|
0.1% max.
|
|
INSOLUBLE IN WATER
|
0.7% max.
|
|
FREE ACID(HF)
|
0.1% max.
|
|
HEAVY METALS (as Pb)
|
10ppm max
|
|
RESIDUE ON 200 MESH
|
10% max.
|
Usage:
1.NaF is an important fluoride, used as pesticides and bactericides in agriculture.
2.Used as wood conservative, water treatment agent, ceramic pigment and fluoride treatment of light metal.
3.Used as UF2 adsorbent in nucleus industry.
4.Used as materials for making other fluoride chemicals, in enamel industry, medical industry, paper making industry, building materials, etc.
Packing: 25kg P.P.bags.
