PRODUCTS
The Properties of Fused Silica Products
|
NO. |
ITEM |
U. |
FS-1 |
FS-2 |
FS-3 |
|
1 |
SiO2 |
% |
≥99.5 |
≥99.5 |
≥99.5 |
|
2 |
density (wt%) |
g/cm3 |
≥1.98 |
1.85-1.97 |
≤1.5 |
|
3 |
Apparent Porosity |
% |
≤8 |
≤14 |
≥30 |
|
4 |
Compressive Strengh(RT) |
MPa |
≥100 |
≥80 |
5-30 |
|
5 |
Dielectric onstant |
/ |
≥3.3 |
2.8-3.2 |
/ |
|
6 |
Dissipation factor |
/ |
1×10-3 |
1×10-3 |
/ |
|
7 |
Gas tightness |
0.3MPa,30min |
air-proof |
air-proof |
/ |
|
8 |
Thermal shock resistance |
|
excellent |
||
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