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alumina ceramic tube 99% al2o3 thermocouple ceramic tubes
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Product Details
| Place of Origin | Henan, China | Type | Ceramic Tubes | |
| Application | Industrial Ceramic | Material | Alumina Ceramic | |
| Model Number | JK--Alumina Tube04 | Brand Name | JK |
Product Description
Alumina Ceramic Tube
Alumina tube (99.7% Al2O3 material) can be used at operating temperature up to 1800℃ in both oxidizing and reducing atmospheres. Tubes have been evacuated to 10-7 Torr. It proves inert to carbon and refractory metals in many severe situations.
Main Performance Index
Performance Index | 99.7 Alumina | 95 Alumina | 85Alumina |
Al2O3 (%) | 99.7 | 95 | 85 |
SiO2 (%) | <0.1 | — | — |
Density (g/cm3) | 3.95 | 3.88 | 3.2 |
Water Absorption (%) | 0 | 0.01 | 0.2 |
Cld Compressive Strength (MPa) | 450 | 350 | 200 |
20C Leak Rates (Torr/L.sec) | <10-11 | <10-11 | <0-11 |
Twisting In High Temperature (mm) | 1700C 0.2 allowance | 1600C 0.2 allowance | 1400C 0.2 allowance |
Bonding In High Temperature | 1700C non-caked | 1600C non-caked | 1400C non-caked |
20—1000C Coefficient of Thermal Expansion (mm.10-6/C m) | 8.6 | 8.2 | 8.2 |
Thermal Conductivity (W/m.k) | 25 | 25 | 25 |
Electric Insulation Strength (KV/mm) | 20 | 20 | 15 |
20C Direct Current Insulating Resistance (Ohm/cm) | 1014 | 1014 | 1014 |
High-Temperature(1000C MΩ) Insulation Resistance (1300C MΩ_ | ≥0.08 | ≥0.08 | ≥0.08 |
≥0.02 | ≥0.02 | ≥0.02 | |
Thermal Shock Resistance | 1550C 6 times not cracked | 1550C 6 times not cracked | 1300C 3 times not cracked |
Max. Temperature (C) | 1900 | 1800 | 1400 |
OD/ID: 6/3mm, 8/5, 10/7, 12/8, 14/10, 16/12, 20/14, 25/19, 30/25, 40/34, 50/44, 60/53, 70/63, 80/70, 85/75, 90/80, 100/90, 110/100, 120/110, 130/120, 140/130, 150/140, 160/150, 180/170mm
Length: 10~3000mm
Noted: Other special size could be customized according to your requirements
Typical Application
Alumina ceramic tube is mainly applied to wear, serious scour of material handling occasions, such as coal-fired power generation, metallurgy, coal, mining, industry, and other geological materials pipeline, as well as the use of electronic appliance such as insulation pipe; alumina ceramic rods is widely used in the industry of resistance to temperature and thermostat, as a resistance ceramic matrix and two-metal thermostat used in ceramic-top column.
1. Your inquiry related to our products or prices will be replied within 24hours
2. Guarantee samples quality same as mass production quality
3. All our products have 2-years warranties.
4. Offering the support to solve the problem in the application or selling period.
5. Competitive prices based on same quality.
Located in Henan province, Henan JK Group is one of most professional manufacturers of Alumina Ceramic Products, including alumina boat, alumina crucible, alumina tube and other alumina ceramic products.They are widely used in used in engineering, mechanical seals, electronics, instrumentation, sensing, transport, communications, and other occasions or areas.
Relied on good reputation, excellent technology and product quality, we have been well received since our products were brought to the market.In 2010, our company was honored to be preferred supplier by the local fire control organ.
1.Are you a manufacturer or trading company ?
We are professional manufacturer in China ,and have in this line for almost 10 years. Also we operate other insulation refractory materials,like glass fiber and asbestos fiber products.
2.Would it be possible for us to visit your factory?
Sure, we welcome you at any time! Seeing is believing.
3.Will your company supply samples?
Yes,we do.The sample expense will be deducted from the value of your order.
4.Which payment terms are you accept?
T/T, L/C, Western Union, Money Gram, Paypal are available for us.
Contact Us
- Henan JK Industry Co., Ltd.
- Contact nameDebbie Z Chat Now
- Phone86-371-55679777
- AddressJingsan Road 56#, Zhengzhou, Henan
Product Categories
| Alumina Ceramics | Furnaces & Accessories | Graphite Crucible | New Products |
| Silicon Carbide (SiC) Ceramics | Silicon Nitride (Si3N4) Ceramics | Zirconia Ceramics |
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