Alumina keramik naycha / trubka / rolik / rolik
VR
Product Introduction

About alumina oxide ceramic

The Vacuum furnace tube could resist 99% high temperature, abrasion, acid and alkali resistant, high strength and good toughness. 

Products are widely used in electric appliances, mines, coal, industry, machinery, boilers, aerospace, electronics and other fields.

Alumina oxide ceramic can be made into the following products:
1. 99% porcelain tubes and military accessories.
2. Corundum high aluminum tube.
3. Wear resistance of alumina ceramic bushing.
4. Precision tube for electrical ceramics and appliances.etc.


Afzalliklari
1. High temperature resistance
Porous alumina tube has a high melting point (up to 1750 degrees Celsius) and a high boiling point.
2. Corrosion resistance
It can be used under strong acids, strong bases, inorganic, organic salts, etc.
3. Anti-magnetic
Because the material is non-magnetic, it does not absorb dust and reduces surface flaking.
4. Electrical insulation
Insulator at room temperature, high resistivity, can be used in equipment that requires insulation.


Material Data. Varaq

GeneralPropertyUnits99.5% alumina99% alumina95% alumina





Mechanical

Densityg/cm3≥3.85≥3.80≥3.60
Water absorption%000
HardnessHV170017001500
Flexural strengthMpa≥379≥338≥320
Compressive strengthMpa≥2240≥2240≥2000
Fracture toughnessMpa m 1/24-54-53-4





Issiqlik

Max. service
temperature
(Non-loading)
165016001450
CTE (20-800℃)1×10 -6 /℃6.5~8.06.2~8.05.0~8.0
Thermal shockT(℃)≥250≥200≥220
Thermal conductivity (25℃ )W/m.k302924
Specific heat1 x 10 3 J/(kg·K)0.780.780.78


Electrical

Volume resistivity (25℃ )ohm.cm>1 x 10 14>1 x 10 14>1 x 10 14
Insulation strengthKV/mm191818
Dielectric constant (1Mhz)(E)9.79.59.5


Product Information
              
Tozalik:
50%, 75%, 85%, 95%, 99% Al2O3
Material:
Alumina ceramic
MOQ:
1 PCS
Qadoqlash:
Wooden box
Size:
Moslashtirilgan
Mahsulot tafsilotlari

Factory Pictures
    
Company Advantages
                          
History:We are a company combined with R&D, production and sales wholly,
                          
Packing:Packing in export wooden cases is strictly adopted
                          
Quality:We have passed IS0 9001:2005. standard, stable,reliable
                          
Price:Our products compare favorably with other traders.
Tss
1
Why us?
* Professional manufacturer since 1997.
* Strict quality control on production process and tolerance.
* Free samples available
* Customized production based on your drawing or specification
* On-time delivery and reliable support and service
* Inventory available for quick shipment
* We keep confidentiality of all the drawings and business information between us.
2
Are you a trading company or a manufacturer?
* We are a manufaturer. 
3
Can you provide the free samples?
* Ha, bizda zaxirada bo'lsa, biz bepul namunalarni taklif qilishimiz mumkin, ammo kurer to'lovi yig'iladi.
4
Siz maxsus ishlab chiqarishni o'z xususiyatimizga qarab qabul qilasizmi?
* Ha, biz OMM va ODM xizmatini taklif etamiz. Agar sizda bo'lsa, bizga rasmingizni yuboring. Agar sizda chizish bo'lmasa, shunchaki fikringizni ayting, biz siz uchun rasmni ishlab chiqamiz.
5
Yetkazib berish vaqti qancha?
* 7 standart mahsulotlar uchun 7 ta ish kuni, buyurtma uchun 30 kun.


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Take advantage of our unrivaled knowledge and experience, we offer you the best customization service.

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The first thing we do is meeting with our clients and talk through their goals on a future project.
During this meeting, feel free to communicate your ideas and ask lots of questions.
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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.
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