- Product Details
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Quick Details
-
MF:
-
SiO2
-
EINECS No.:
-
231-545-4
-
Place of Origin:
-
Shandong, China
-
Appearance:
-
White powder
-
Application:
-
glass,electronic,etc
-
Brand Name:
-
Sintopchem
-
Model Number:
-
Sintopchem-1
-
Package:
-
15kg per bag or as customers' requirements
-
HS code:
-
2811229000
Quick Details
-
CAS No.:
-
7631-86-9
-
Purity:
-
99.8%min
-
Other Names:
-
silicone dioxide
-
MF:
-
SiO2
-
EINECS No.:
-
231-545-4
-
Place of Origin:
-
Shandong, China
-
Appearance:
-
White powder
-
Application:
-
glass,electronic,etc
-
Brand Name:
-
Sintopchem
-
Model Number:
-
Sintopchem-1
-
Package:
-
15kg per bag or as customers' requirements
-
HS code:
-
2811229000
Products Description
Silicon dioxide
Silicon dioxide Description
CAS No. : 7631-86-9
EINECS No.:231-545-4
Molecular weight:60.0843
HS Code: 2811229000
Molecular Formula: SiO2
Package:15kg per bag or as customers' requirements.
Silicon dioxide Introduction:
Silicon dioxide is a kind of inorganic compound, the chemical formula is SiO2, silicon atoms and oxygen atoms long range ordered to form crystalline silicon dioxide, short range ordered or long range disordered to form amorphous silicon dioxide.
Silicon dioxide Usage：
Silicon dioxide is the manufacturing of glass, quartz glass, water glass, optical fiber, electronic industry important parts, optical instruments, crafts and refractory materials, is an important material for scientific research.
Specification
|
Grade
|
ST-200
|
ST-380
|
ST-139
|
ST-152
|
ST-615
|
ST-630
|
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Form
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white amorphous powder
|
|
|
|
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Surface area (m2/g)
|
200±20
|
380±30
|
110±30
|
170±30
|
140±20
|
330±30
|
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|
PH value
|
3.9-4.5
|
3.7-4.5
|
4.0-7.0
|
≥3.7
|
5.0-8.0
|
6.0-9.0
|
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|
Loss on drying
(2h,105℃) % |
≤2.0
|
≤2.5
|
≤0.7
|
≤0.7
|
≤0.7
|
≤0.7
|
|||||
|
Loss on ignition (2h,1000℃) %
|
≤2.0
|
≤2.5
|
≤10
|
≤2.5
|
≤4.0
|
≤5.0
|
|||||
|
silica content (%)
|
≥99.8
|
|
|
|
|
|
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Tamped density (g/dm²)
|
40-60
|
40-60
|
40-60
|
40-60
|
40-60
|
40-60
|
|||||
|
Surface treatment
|
No
|
No
|
PDMS
|
DDS
|
HMDS
|
HMDS
|
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