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Specifications

The main chemical ingredient of cordierite is 2MgO?2Al2O3?5SiO2,main material is steatite, clay, alumina, feldspar,etc.
Made by normal ceramic technic,such as dry press by press machine
They can be used for loop framework,insulators of arc-resistance, element of composite materials, burnable nozzle of electrical insulators,and etc.
Color:white,light yellow and so on
Parameters for Cordierite ceramics:
Main chemical ingredient  2MgO?2Al2O3?5SiO2
Bulk density  2.5gm/cc
Maximum use temperature  1000℃
Water absorption  0%
Hardness  800HV
Bending Strength  900Kgf/㎝2 (20℃)
Compressive Strength  3500Kgf/㎝2 (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℃)