MOQ | 5 pc |
Port | QingDao |
Packaging | standard wooden box |
Lead Time | 15-25 days after confirm the order |
HT 99.7% Al2O3 high Alumina tube, insulation tube, and alumina ceramic insulator.
Our company specialize in alumina tubes, ceramic tubes, rods and various industrial ceramic parts, which are mainly used in thermal-couple temperature, liquid steel continuos temperature, various industrial furnace, especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry.
We mainly produce alumina tubes, rods and alumina ceramic thermocouple protection tube, alumina ceramic insulator or insulation tube.
We can produce 85%,90%, 95%,99.3-99.7% ceramic tubes and insulated tubes.
Material |
85 Al2o3 |
90 Al2o3 |
95 Al2o3 |
99.7 Al2o3 |
Al2o3 |
85% |
90% |
93% |
99.30% |
Fe2o3 |
≤ 1.0 |
≤ 0.5 |
≤ 0.5 |
≤ 0.3 |
Desnsity: g / cm3 |
3.4 |
3.5 |
3.6 |
3.85 |
Vickers Hardness |
≥ 8.6 |
≥ 8.8 |
9 |
9 |
Water Absorption:% |
≤ 0.2 |
≤ 0.1 |
≤ 0.085 |
≤ 0.01 |
Refractoriness:°C |
1580 °C |
1600 °C |
1650 °C |
1800°C |
Flexural Strength:Mpa |
180 |
200 |
240 |
280 |
Wear Rate( at room temperature, erosion, 100 grinding)% |
≤ 3 |
≤ 2.5 |
≤ 1 |
≤ 0.5 |
Dimension |
Outer dia. mm |
Inner dia.mm |
Length mm |
Remark |
|
Item |
|||||
Thermocouple protection tube or furnace ceramic tube |
7-120 |
1-110 |
10-2000 |
If you need others,we can customize for you. |
|
Insulated tube |
Single hole |
2-120 |
1-110 |
10-2000 |
|
(inner core) |
Double holes |
1-10 |
0.4-2 |
10-2000 |
|
|
Four holes |
2-10 |
0.5-2 |
10-2000 |