Wear Resistant Silicon Nitride Ceramic Thermocouple Protection Tube for Sale
Advantages
Silicon nitride ceramic thermocouple protection tube protects the sensitive thermocouple element from aggressive compounds in the furnace atmosphere. Due to their very good thermal conductivity, the accuracy of the thermocouple reading is increased.The silicon nitride ceramic has very high working temperature, up to 1200℃.It has good chemical resistance and good thermal conductivity for accurate metering.
Features
1. Long service life
2. Sintering: GPSN/RSSN (gas pressure sintering, reaction sintering)
3. Good abrasive resistance
4. Excellent thermal shock resistance
5. Top refractory
6. Reduced maintenance requirements and ease of maintenance
7. Anti-corrosion in the high-temperature
8. Perfect electrical insulation resistance
9. Customization available
Product Description
Silicon nitride ceramics characteristics and its low weight make silicon nitride an excellent material choice for demanding applications. This is why components made of silicon nitride ceramics are successfully used in various welding processes.
We can supply advanced technical ceramic part according to customer's drawings, samples and performance requirement
| Bulk density | Kg/m3 | 3.2×103 |
| Water absorption | % | 0 |
| Mechanical properties | Vickers hardness load 500g | (GPa) | 13.9 |
| | Flexural strength | MPa | 610 |
| | Compressive strength | MPa | 3820 |
| | Young's modulus of elasticity | GPa | 290 |
| | Poisson's ratio | - | 0.28 |
| | Fracture toughness | MPa√m | 5 |
| Thermal characteristics | Linear thermal expansion coefficient | 40-400℃ | ×10-16/℃ | 2.6 |
| | | 40-800℃ | | 3.2 |
| | Thermal conductivity | W/(m·K) | 20 |
| | Specific heat | J/(kg·K) | 0.66×103 |
| | Thermal shock resistance(Put into the water) | ℃ | 550 |
| Electrical characteristics | Dielectric strength | V/m | 10×106 |
| | Volume resistivity | 20℃ | Ω·cm | ＞1014 |
| | | 300℃ | | 1012 |
| | | 500℃ | | 1010 |
| | Dielectric constant (1MHz) | - | - |
| | Dielectric loss angle (1MHz) | (×10-4) | - |
| | Loss factor | (×10-4) | - |
| Chemical properties | Nitric acid (60%) 90℃ | WT Loss Mg/cm2/day | 1.00 |
| | sulfuric acid (95%) 95℃ | | 0.40 |
| | Sodium hydroxide (30%) 80℃ | | 0.36 |
Packing and Delivery
We pack our goods in wooden case.
We send goods by Sea/Air/Express timely and saftely.
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