Main Products: Sic heating elements ,mosi2 heating elements ,silicon carbide heating elements ,sic products ,refractory ceramics
Alumina ceramic spool tube
USD $0.2 - $10 /Piece
Min.Order:1 Piece
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Shanghai Bochuan Silicon Carbon Rod Manufacturing Co., Ltd.
Business Type: Manufacturer,Trading Company
Shanghai ChinaMain Products: Sic heating elements ,mosi2 heating elements ,silicon carbide heating elements ,sic products ,refractory ceramicsProduct Details
Alumina ceramic spool tube
We mainly produce alumina tubes, rods and various industrial ceramic parts, which are mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial furnace(containing vacuum furnace, carburizing furnace, wire furnace, atmosphere furnace etc), especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry.
High aluminium
SiO2 30~40% AI2O3 55~65%R2O ~2% RO 4~8%
Compression strength>100kg/cm2
2kg softening point 1350C
Refractoriness 1750C
Max working temperature:1200C
Standard size: ID 15~200cm;OD 20~240cm
AL2O3% ≥ | 48 |
Refractoriness C ≥ | 1750 |
2kg/cm2softening point under load ≥ | 1420 |
Reheating linear shrinkage(%) ≤ | 1450C for three hours 0.7 |
Apparent porosity(%) ≤ | 26 |
Compression strength under normal temperature (Mpa) ≥ | 30 |
Physical and chemical property
| Unit | SHSM90 | SHSM65 | SHSM60 |
Content of al2o3 | % | 75-77 | 78-80 | 77-78 |
Density | g/cm3 | 2.6-2.7 | 2.5-2.6 | 2.4-2.5 |
Water absorption | % | 6-7 | 8-9 | 9-10 |
Bending strength | MPa | 60-70 | 55-60 | 50-55 |
Thermal Expansion coefficient(20-1000°C) | 1/K | 6*10-6 | 6*10-6 | 6.2*10-6 |
Elasticity | GPa | 95 | 80 | 70 |
Using limit | °C | 1350 | 1300 | 1300 |
Resistance to temperature change performance |
| very good | very good | very good |
Above physical data from laboratory test samples. These data only for reference in the actual use of different size products
Series of ceramic rollers have: excellent high temperature performance; excellent chemical stability; excellent resistance to temperature changing;
SHSM 60: first choice for production of glazed wall tiles
SHSM 65:main choice for production of floor tiles and porcelain tiles.
SHSM 90:wise choice for firing large-size porcelain tiles,daily ceramic and plaza tile
plywood case
We can supply kinds of ceramic tube
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