Cordierite Ceramics Prepared from Poor Quality Kaolin for ...
2018-6-18 · The cordierite ceramic sintered at 1 320 °C had the properties as follows: CTE of 1.98×10-6 °C-1 (500 °C), bending strength of 90 MPa, apparent porosity of 15.1%, dielectric constant of 7.5 (100 Hz), and volume resistivity of 1.05×10 9 Ω·cm (100 Hz). The comprehensive properties are very suitable for use as electric heater supports.
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