Certificate: ISO9001; ISO14001; OHSAS18001
Product: high-purity crystal powders, high-purity low OH crystal powder, clear fused quartz glass tube, UV-stop quartz glass tube, none-ozone quartz glass tube, quartz bar, milky quartz tube, quartz testing tube, quartz crucible and futher manufacturing quartz tube.
Filter quartz sand
Crystal power is manufactured from natural high quality crystal stone, for its high content of SiO2 and low impurity, it can be used as material of producing optical fiber, fused quartz glass tube , rod and crucible which can be used in fiber communication, lighting and semiconductor industry etc.
High-pure crystal powder.Standard. Degree of grain
|
Standard
|
Degree of grain
|
|
425¦Ìm-250¦Ìm
|
95%
|
|
250¦Ìm-180¦Ìm
|
90%
|
|
180¦Ìm-125¦Ìm
|
90%
|
|
125¦Ìm-85¦Ìm
|
85%
|
Chemical Index
|
Item
|
Index
|
|
High Quality Products
|
Quality Products
|
|
SiO2( % )
|
¡Ý99.99
|
¡Ý99.98
|
|
Al(*10-6)
|
¡Ü10
|
¡Ü15
|
|
Fe(*10-6)
|
¡Ü1
|
¡Ü1
|
|
K(*10-6)
|
¡Ü1.5
|
¡Ü3
|
|
Na(*10-6)
|
¡Ü1.5
|
¡Ü3
|
The above product¡¯s size as :
+300¦Ìm<3%
-50¦Ìm<5%
