Categories: Themocouple Protection Sheath
Silicon carbide (SiC) is a lightweight ceramic material with high strength properties, excellent thermal conductivity, low thermal expansion, and is resistant to corrosion from acids.
1 SIC Sintering Silicon Carbide Thermocouple Tubes
- SiC ceramic thermocouple protection tube called recrystallized silicon carbide tube for Industrial furnace.
- Silicon carbide (SiC) is a lightweight ceramic material with high strength properties, excellent thermal conductivity, low thermal expansion, and is resistant to corrosion from acids.
- Because of its excellent properties, silicon carbide products are more and more widely applied in various fields nowadays.
2 Types of silicon carbide tube
- Recrystallized silicon carbide (RSIC)— max temperature 1650℃
- Nitride bonded silicon carbide (NSIC)— max temperature 1450℃
- Reaction sintered silicon carbide (SiSiC / RBSiC)— max temperature 1380℃
- Pressureless sintered silicon carbide (SSiC)— max temperature 1600℃
3 Standard sizes of Mission alumina tubes:
| Furnace Tube | |||||||||||||||||||||
| Diameter OD/ID (mm) | 30/25 | 40/34 | 50/44 | 60/53 | 70/63 | 80/70 | 85/75 | 90/80 | 100/90 | 110/100 | |||||||||||
| Max Length
(mm) |
2000 | 2000 | 2000 | 2000 | 2000 | 1700 | 1600 | 1600 | 1500 | 1200 | |||||||||||
| Thermocouple Protection Tube | |||||||||||||||||||||
| Diameter OD/ID (mm) | 5/3 | 6/4 | 8/5 | 10/7 | 12/8 | 14/10 | 15/10 | 16/12 | 17/14 | 20/16 | 25/19 | ||||||||||
| Max Length
(mm) |
300 | 1000 | 1600 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | ||||||||||
4.Physical and chemical index
| Silicon carbide tube | ||||
| Item | Unit | RSiC | NSiC | SiSiC |
| Density | (g/cm3) | 2.60-2.72 | ≥2.75 | ≥3.02 |
| Porosity | % | ≤17 | ≤10 | ≤0.1 |
| Thermal Expansion | 10-6 k-1 | 4.8 | 4.6 | 4.5 |
| Thermal conductivity | W/m.k | 23 | 25 | 45 |
| Bending strength
(4-point) |
MPa (at20℃)
MPa (1200℃) |
≥ 90
≥100 |
≥150
≥170 |
≥250
≥280 |
| Youngs Modulus | GPa (20℃) | 240 | 280 | 320 |
| Max temperature | ℃ | 1650 | 1450 | 1380 |
5 Application:
Silicon carbide tube is mainly used in the production of aluminum, copper and zinc , as the lining material of the molten pool and electrolytic bath (reduction bath).
Add a header to begin generating the table of contents
