Alumina ceramic tube/pipe/rod/roller
Main production of fire assay crucible,Graphite crucible,Silicon carbide crucible.Also accept OEM and ODM.
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Main production of fire assay crucible,Graphite crucible,Silicon carbide crucible.Also accept OEM and ODM.
Refractory Alumina Ceramic Roller is a kind of refractory material in roller kiln, as a role of bearing and transmission in the high temperature furnace. It is a key component of modern industrial track kilns and can transmit and bear ceramic products at a temperature of up to 1400 °C.
Alumina ceramic roller is kind of structural ceramic. The quartz ceramic roller is a key component in the glass horizontal tempering furnace, and is mainly used for carrying and transporting glass in the glass horizontal tempering furnace. The ceramic roller uses high-purity fused alumina as raw material, with high bulk density, high strength, low thermal expansion, good thermal shock stability, high dimensional accuracy, no deformation at high temperature, long service life, and no pollution to glass.
Alumina Ceramic Rollers for kilns used for firing wall tiles and wear-resistant bricks.
Alumina Ceramic Rollers for firing floor tiles, porcelain tiles.
Alumina Ceramic Ceramic Kilns Rollers for large and thick tiles, roof tiles, sanitary ware, and Magnetic Ceramics.
| Key Component | AL2O3 |
| Working Temperature | up to 1400℃ |
| Length | 10mm~5200mm |
| OD | 16mm~90mm |
| OEM/ODM | Available |
Features
1. The alumina ceramic roller surface is smooth, delicate, with small radial runout, and the processing accuracy is better than similar imported products, and it does not scratch the glass.
2. The steel head adopts anti-loosening sleeve structure design and assembly, long service life
3. It has the characteristics of high density, high strength, no deformation at high temperature, wear resistance and long service life.
4. High economic efficiency, can reduce the comprehensive cost of belt conveyor and reduce maintenance man-hours.
Performance For Industrial Ceramic
| Item | Unit | Steatite Ceramic | 95Al2O3 | 99Al2O3 | 99.7Al2O3 | |
Physical Characteristics | Bulk density | g/cm3 | 2.7 | 3.6 | 3.8 | 3.9 |
| Water absorption | % | 0 | 0 | 0 | 0 | |
Mechanical Characteristics | Flexural strength | Mpa | 145 | 320 | 340 | 350 |
| Hardness Vickers | Gpa | 5.7 | 12.2 | 13.5 | 14 | |
| Elastic modulus | Gpa | 120 | 280 | 320 | 320 | |
| Poisson’s ratio | - | 0.21 | 0.22 | 0.23 | 0.23 | |
Thermal Characteristics | Linear expansion coefficient | (20-500 C) 10-6/ C | 7.9 | 7.1 | 7.2 | 7.2 |
| Thermal conductivity | w/(m.k) | 2.5 | 16 | 24 | 28 | |
| Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | ||
Electrical Characteristics | Dielectric constant(1MHZ) | - | 6.2 | 9 | 9.4 | 9.7 |
| Dielectric loss angle | *10-4 | 18 | 15 | 5 | 0.0001 | |
| Dielectric strength | *106V/m | 18 | 12 | 15 | 8.7 | |
Application :
Widely used in lamps and lanterns, electronic appliances, blast nozzle, auto parts, wear-resistant parts of insulating material, etc
We can do OEM and OBM according to your drawing and requires
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