99% Alumina Tube Parts Multi Sizes And Shapes Industrial Alumina Ceramic Corundum Tube/Pipe
With good thermostability,insulation,air tightness etc properties,ceramic protection tubes are widely used in thermocouple,radiation temperature mearsurement etc fields
ALL PRODUCTS CAN PASS THE GERMAN STANDARD: DIN43724/DIN43725/DIN40680
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Composition table
| NAME | CONTENT(%) |
| Al2O3 | 99.3-99.5(99.7) |
| SiO2 | 0.3-0.5 |
| CaO+MgO | 0.2-0.3 |
| K2O+Na2O | 0.2-0.35 |
| Fe2O3 | <0.1 |
| OTHER | <0.05 |
Alumina ceramic performance index
| NO. | Property | Unit | Alumina |
| 1 | Al2O3 | % | >99.3 |
| 2 | SiO2 | % | - |
| 3 | Density | g/cm3 | 3.88 |
| 4 | Water absorption | % | 0.01 |
| 5 | Cold compressive strength | MPa | 350 |
| 6 | 20ºC leakage rates | Torr/L.sec | <10-11 |
| 7 | Twisting in high temperature | mm | 0.2 allowed in 1600ºC |
| 8 | Bonding in high temperature | | not bonded in 1600ºC |
| 9 | 20-1000ºC coefficient ofthermalexpansion | mm.10-6/ºC.m | 8.2 |
| 10 | Thermal conductivity | W/m.k | 25 |
| 11 | Electric insulation strength | KV/mm | 20 |
| 12 | 20ºCdirect current insulation resistance | Ohm/cm | 1014 |
| 13 | High-temperature insulation resistance | 1000ºC MΩ | ≥0.08 |
| 1300ºC MΩ | ≥0.02 |
| 14 | Thermal shock resistance | | 4 times not cracked in 1550ºC |
| 15 | Maximum working temperature | ºC | 1800 |
Typical properties
●Good strength and stiffness
●Good hardness and wear resistance
●Good corrosion resistance
●High thermal conductivity
●High temperature resistance
●Electrical insulation
●Low dielectric constant
Application examples
●Mechanical seal rings
●Plungers or pistons for valves
●Electronic substrates
●High temperature thermocouple tubes
●Textile eyelets or guides
●Electrical insulators
●Wear resistant nozzles
●Ceramic parts for high temperature furnace
Delivery:
Custom OEM will be shipped within 15 days after determining the parameters
The samples will be shipped within 3 days
Quick Delivery Via Fedex,DHL,UPS,TNT Etc.
Support customer to designate shipping company
For more informations (the price,delivery time,moq etc)about the ceramic plates, please contact us or email:admin@cerampart.com
CEO: Admin deng
Dongguan Mingrui Ceramic Tech. Co. Ltd.
Add: No.21 Chuangxing Rd., 2nd Industrial Zone of Shangsha,
Chang'an town, Dongguan city, Guangdong, China 523867
Email: admin@cerampart.com
FAQ
1. Monthly Capacity: 50,000-60,000 pcs;
2. Material: OEM or as per your suggestion;
3. Lead time: about 7-20 days, pls confirm the quantities required;
4. Incoterm: FOB, CFR, CIF;
5. Delivery Cost: It is determinated by the destination port;
6. Payment Term: PayPal; T/T; L/C.
7. Shipment: by sea, by air, by courier, by post, etc.
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Industrial 1850mm Alumina Ceramic Corundum Tube Images
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