The main chemical ingredient of cordierite is 2MgO∙2Al2O3∙5SiO2, main material is steatite, clay, alumina, feldspar,etc. It is made by normal ceramic technique, such as dry press. They can be used for loop framework, insulators of arc-resistance, element of composite materials, burnable nozzle of electrical insulators,and etc.
Main chemical ingredient 2MgO∙2Al2O3∙5SiO2
Bulk density 2.5gm/cc
Maximum use temperature 1000℃
Water absorption 0%
Bending Strength 900Kgf/cm2 (20℃)
Compressive Strength 3500Kgf/ (20℃)
Coefficient of thermal expansion ≤2.0(1×10-6/℃)
Dielectric constant 6(1MHz.25℃)
Dielectric strength 10 ac-KV/mm(ac V/mil)
Volume Resistivity >1012 ohm-cm(20℃)
Color:white,light yellow and so on
1. Good concentricity and consistency.
2. Excellent wear and heat resistance.
3. High strength, endurability and anti-aging performance.
4. Extremely precise design as well as customized products.