4 holes insulator alumina ceramic tube
1.99.7% Al2O3 ceramic insulating tube
2.good chemical capability and insulation
3.two ends open or closed
4.1,2 and 4 holes
5. high temperature resistant
6.solid resist ,alkali resist
7.unknit and velvet surface
8.good airproof capability ,good grind resist capability/wearable
Forming methods includes
1,drying pressing
2,isostatic pressing
3,hot pressing casting
ems |
Unit |
95%Al2O3 |
99.5%Al2O3 |
Density |
g/cm3 |
3.7 |
3.9 |
Flexural Strength |
MPa |
313 |
340 |
Compressive Strength |
MPa |
3400 |
3600 |
Modulus of Elasticity |
GPa |
350 |
380 |
Impact Resistance |
MPa·m1/2 |
4 |
5.1 |
Weibull Modulus |
m |
10 |
10 |
Vickers Hardness |
HV0.5 |
1800 |
1900 |
Thermal Conductivity |
W/mk |
24 |
27 |
Highest Application Temperature |
°C |
1600 |
1750 |
Volume Resistivity at 20°C |
Ω.cm20 |
>1014 |
>1014 |
Dielertric strength |
KV/mm |
20 |
25 |
Thermal expansion |
X10-6/K |
5.0-8.3 |
5.4-8.3 |
The pipe has the high abrasion resistant ,corrosion resistant. Mainly used in thermocouple temperature measurement, continuous temperature measurement of molten steel, a variety of industrial furnaces (vacuum furnaces, carburizing furnace, reeling furnaces, atmosphere furnaces, etc.) fields. In the petrochemical, textile, electronics, instrumentation, machining, military and other industries have wide applications.
We can customize products as customer's requirements.
HIGHBORN is one of the leading high quality quartz glass and precise ceramics manufacturer and supplier in China.
HIGHBORN has always been a defining force in the sale and fabrication of quartz glass within the semi-conductor, chemical, solar Energy and precise ceramics within semi-conductor, solar energy, textile, electronic, and laser industries.
Not only have we mastered the fabrication technology, our strength has always been based around listening to and understanding our customer's requirements and expectations.
Continuous improvement in all areas of our business is key to our grouth. What is equally important to us is maintaining in business, our inherent family values of trust, faimess and respect to our employees, suppliers and customers.
