● Large-format high-aluminum sintering plate, with extremely high service temperature, excellent thermal shock resistance, long service life, and superior high-temperature compressive strength.

● Applications: ITO target sintering, large-scale alumina/zirconia ceramics sintering, shelf plates for high-temperature furnaces, etc.

High-Alumina Large-Format Plate Technical Parameters

Item	Physical and chemical indicators
AL₂O₃(%)	84-86
SiO₂(%)	13.7-15.7
Fe₂O₃(%)	0.03
NaO(%)	≤0.1
Volume density（g/cm³）	2.85
Porosity (%)	18-22
Thermal expansion coefficient（10-6）	5.5
Working temperature（℃）	1650
Refractoriness（℃）	1900
Flatness（mm）	≤0.1mm

Refractory Brick

None

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