01
High Temperature Resistance Alumina Ceramic Column For Kiln Firing
Product Feature
● Good electrical insulation
● Moderate thermal conductivity
● High corrosion and wear resistance
● Good gliding properties
● High mechanical strength
● High compressive strength
● High hardness
Product Parameters
Property |
Unit |
95% Alumina Ceramic |
99% Alumina Ceramic |
Density |
g/cm3 |
≥3.68 |
≥3.83 |
Water absorption |
% |
O |
O |
Sintering temperature |
°C |
1600-1800 |
1700-1800 |
Hardness |
HV |
≥1500 |
≥1650 |
Flexural strength |
Kgf/cm2 |
3000 |
3000 |
Compressive strength |
Kgf/cm2 |
25000 |
26000 |
Fracture toughness |
Map.m3/2 |
3~4 |
4~5 |
Maximum temperature |
°C |
1700 |
1800 |
Coefficient of thermal expansion |
/°C |
8*10-6 |
8*10-6 |
Heat shock |
T(°C) |
220 |
220 |
Thermal conductivity |
W/m.k(25-300°C) |
25 14 |
25 14 |
20°C |
|
>1012 |
>1012 |
Application Field




Product Detail




FAQ
-
1. How to get a quotation ?
-
2. How to get a sample ?
-
3. Are you manufacturer ?
-
4.What is the payment method ?
-
5. About the lead time ?
The lead time is generally 20–30 days after the contract is signed, depending on the order quantity. Since ceramics require a fixed production period, the lead time may be relatively long. We appreciate your understanding in advance!