Silicon carbide sealing ring
The main properties of polished precision Sic seal ring are as follows:
|
parameter |
unit |
The numerical |
SSIC |
|
The purity |
% |
≥90 |
≥98 |
|
The density of |
Grams per cubic centimeter |
3.05 |
3.1 |
|
Shore hardness |
HS |
110-125 |
120-130 |
|
Modulus of elasticity |
mpa |
4.12X105 |
4.1X10秒 |
|
Poisson's ratio |
|
0.15 |
0.16 |
|
Tensile strength |
mpa |
2.75X102 |
2.8X102 |
|
The bending strength |
mpa |
4.41X102 |
4.9X102 |
|
The compressive strength |
mpa |
2.94X103 |
3.0X102 |
|
Coefficient of thermal conductivity |
W/m |
141 |
147 |
|
Coefficient of thermal expansion |
L/c |
4.3X10-6 |
4.0X10-6 |
|
Heat resistance |
|
1600度 |
165CTC |
|
Thermal shock coefficient |
Cal/cm.sec |
46.5 |
200 |
|
The tolerance |
millimeter |
-0.02~+0.02 |
-0.02~+0.02 |
|
Acid resistance |
|
Five times higher than normal TC |
Resistant chemical medium |
