| Customization: | Available |
|---|---|
| After-sales Service: | Online Video |
| Warranty: | 1 Year |
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High Purity Alumina Ceramic Tube
Introduction of alumina ceramic tube
1. We produce 95-99.7% alumina crucibles, boats, insulating parts, rods, wear resistance parts, high temperature ceramic parts etc of alumina ceramic tube products.
2. Mainly used in thermolcouple temperature, liquid steel continuous temperature, various industrial furnace of alumina ceramic tube.
3. Especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry of alumina ceramic tube.
Features
1.High quality 99.7% alumina tubes
2.Diameter from 1mm to 120mm,Length from 100mm to 2000mm, multi bores tubes can be made.
3.Max working temperature 1800
4.Out surface can be grinded drilling hole to make tight tolerance and right instillation.
5.Great mechanical strength.
6.Good heat resistant.
7.Good quality and best price.
8.Long life time.
9. Large quantity in stock makes fast delivery and competitive prices.
Standard sizes
| 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 | ||||||||||
| Thermocouple Insulator | |||||||||||||||||||||
| Single Bore | Double Bores | Four Bores | |||||||||||||||||||
| Diameter OD/ID (mm) | OD1-12 ID0.5-8 |
OD1-12 ID0.2-4 |
OD1.6-12 ID0.35-3.5 |
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| Max Length (mm) |
2000 | 2000 | 2000 | ||||||||||||||||||
| Al2O3 content % | 70-75 | 85 | 95 | 99.7 |
| Density(g/cm3) | 3.0 | 3.4 | 3.7 | 3.9 |
| Bending Strength(Mpa) | 85N/MM2 | 300 | 364 | 450 |
| Expansion (X10-6/°C)(25-800°C) |
6 | 7 | 7.6 | 8 |
| Thermal Conductivity (W/(m.R)) | 17 | 18 | 20 | 35 |
| Dielectric Strength(kv/mm) | 9 | 10 | 11 | 12 |
| Working Temperature °C (Long time use) |
1300 | 1400 | 1600 | 1750 |
| Water Absorption % | 5 | <0.2 | <0.2 | <0.1-0.2 |
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