● High-alumina sintering plates, saggers, and other high-temperature kiln furniture products exhibit excellent high-temperature resistance, superior thermal shock resistance, low thermal expansion coefficient, and outstanding creep resistance.

● Applications‌: High-temperature sintering of zirconia ceramics, alumina ceramics, MIM powder metallurgy, ceramic substrates, etc.

Corundum Mullite Sintering Plate Technical Parameters

Item	Physical and chemical indicators
AL₂O₃(%)	86-88
SiO₂(%)	11.8-13.8
Fe₂O₃(%)	0.03
NaO(%)	≤0.1
Volume（g/cm³）	2.8
Porosity(%)	18-22
Thermal expansion coefficient（10-6）	5.5
Working temperature（℃）	1650
Refractoriness（℃）	1900

Porous Ceramic Substrate

Corundum Mullite Sagger

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