Ceramic thermocouple protection tube
Thermocouples are the most widely used temperature sensors. The thermocouple performance indicators
of long-term stability, lifetime , etc., are closely related to the protection tube. Ceramic thermocouple protection
tube protect the thermocouple to fulfill its special work circumstances , and can be resistant to corrosion,
high-pressure and high flow rate. The special ceramic products manufactured through advanced technology
has characteristics of high density, uniform size and high precision.
Characteristics:
| 1, Excellent isotropy and uniform structure; |
2, High temp resistance and stable; |
| 3, High heat conductivity and quick temp reaction; |
4, Low thermal expansion coefficient; |
| 5,Free from slagging to realize easy maintenance; |
6, Free of pollution and infiltration for smelting metal; |
| 7, Longer service life; |
8, Superior resistant to liquid, thermal shock and oxidation; |
Physicochemical:
|
Density
(g∕cm³) |
Apparent porosity
(%)
|
Bend strength（Mpa） |
Expansion
coefficient(10ˉ6)
|
Thermal conductivity
（w∕m.k） |
Max. Temp
(℃) |
| NT |
1400℃ |
| RSiC |
2.55 |
20 |
20 |
15 |
4.6 |
11 |
1450 |
| Si02-SiC |
2.65 |
12 |
35 |
35 |
4.7 |
16 |
1500 |
| Si3N4-SiC |
2.80 |
<10 |
200RB |
200RB |
4.3 |
15 |
1500 |
| Si3N4 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
Material
| |
SiC |
Si02 |
Si3N4 |
Si |
| RSiC |
80% |
-- |
-- |
-- |
| Si02-SiC |
85% |
9.5% |
-- |
-- |
| Si3N4-SiC |
70% |
-- |
24% |
-- |
| Si3N4 |
-- |
-- |
-- |
-- |
Stable supply capacity
|
Caster tip
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