It is widely used in light source material, especially in high-tension sodium lamp.
Raw material of fluorescent powder,special ceramics and exclusive abrasive material.
It also can be used in carbuncle and sapphire making.
|
Grade
|
Purity
≥%
|
Size Average
|
Loose Density
(g/cm3)
|
Surface Area
(m2/g)
|
Impurities:(ppm≤)
|
|||||||
|
Na
|
K
|
Si
|
Fe
|
Ti
|
Ca
|
Cu
|
Mg
|
|||||
|
4NA
|
99.99
|
0.4~0.8(μm )
|
0.25~0.35
|
5~18
|
5
|
3
|
13
|
5
|
2
|
7
|
3
|
2
|
|
4NA-CB31
|
99.99
|
1~6 (mm)
|
2.0~2.7
|
≤0.8
|
8
|
4
|
13
|
5
|
2
|
7
|
3
|
3
|
|
4NG
|
99.99
|
0.2~0.6(μm )
|
0.10~0.18
|
≥110
|
6
|
3
|
14
|
5
|
2
|
8
|
3
|
2
|