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high Al2O3 Ceramic tube for tube furnace
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Product Details
Place of Origin | Shandong, China | Shape | Pipe | |
Material | Other, Alumina | |||
Al2O3 Content (%) | 99.5% | |||
Model Number | DKJL | Brand Name | DKJL |
Product Description
industrial Alumina Ceramic tube high alumina ceramic pipe al2o3 pipe
Thermocouple protective tube description
Thermocouple protection tubes are available as a closed-end tube with a reusable stainless steel coupling device. This device allows for two methods of use: The thermocouple protection tube can be hung by the flange or attached via the threaded end of the coupling
device.
Thermocouple protective tube features
• Excellent thermal conductivity
• Excellent thermal shock resistance
• Low wetting by aluminum
• Available in a wide variety of formulations
Benefits
• Longer life due to reduced dross buildup
• Coupling device reusable; simply attach another ceramic tube
Chemical competent | Al2O3 | ≥85% |
SiO2 | <12% | |
Fe2O3 | <0.5% | |
Alkaline matter | <2.5% | |
Density | 2.6 g/cm3 | |
Hardness | 7 M | |
Water absorption | <0.2% | |
Rupture strength | >1300kg/cm2 | |
Gas tightness | Kept for ten minutes at negative pressure of 1.3Kpa. The pressure drop is less than 0.3Kpa. | |
Heat tolerance | Insert the pipe into the furnace at a depth of 20mm. Heat to 1600°C and maintain for 30 minutes. | |
Alkali tolerance | In the Na2CO3 solution of 2N concentration, boil for 15 hours with the weight loss not greater than 20mg/dm2. | |
Volume resistance | >2*10(5) Ω·cm/1300°C | |
Breakdown voltage | 18kv/cm | |
Expansion coefficient | 5*10(-8) | |
Temperature for use | Long-term: 1400°C Short-term: 1600°C | |
Chill and abrupt heat | 1300°C~room temperature not cracking thrice. |
Packaging: standard export carton or as clients requirement;
Shipping: within 20 days or as per your order quantity.
1.Timely response,
Timely response to your inquiry, multiple choice recommendations based on your demand,quickly respond mails and provide solutions.
2.Free sample
Sample and trial order are accepted for the quality evaluation
3.Strict quality control
Arrange production on time and control quality strictly.
4.Shorter delivery time.
Book the earliest vessel or plane to guarantee the delivery time
5.Professional Services
Provide all the detailed news and pictures from order to delivery;
Offer relative export documents and original certificate if needed;
Warm and considerable after-sale service
DKJL refractories exporting company is one of the most professional suppliers of refractories in China.The main products are refractory bricks,thermal insulation material,heating elements, industrial ceramics and scientific instruments.They are available in various size and shapes.Our products enjoy a good reputation for their excellent quality and service in domestic and international markets. Hope to cooperate with you!
Q1:.How can I get your prompt quotation?
A:We can give our offer quickly if you kindly send the inquiry with following factors:dimension(length*ID*OD),density,application and quantity.
Q2:What is the MOQ(minimum order quantity )?
100 pipes.
3.What is the HS code?
The HS code is 69060000
4. How can I contact you?
....
Contact Us
- DKJL CO., LTD.
- Contact namenicole lee Chat Now
- Phone86-10-62197466-324
- Address606, Hengrun Commercial And Housing Center, No. 32, West North 3rd Ring Road
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