China Southern Advanced Ceramic Technology Co., Ltd.

Product Catague

Ceramic Sleeve

Ceramic Nozzle

Ceramic Bearing

Ceramic Knife

Tel:+86 731 83870539
Fax:+86 731 82292609
Email:info@csgceramic.com
Wechat:15308464718
Skype:robertking168

Products

99.7% alumina ceramic parts

Item	Properties		Units	High purity corundum	Corundum
1	Al₂O₃content		%	99.7	99.3
2	SiO₂ content		%	﹤0.1	—
3	Density		g/cm³	3.93	3.9
4	Water absorption		%	0	<0.01
5	Bending strength		MPa	450	350
6	Camber at high temperature		mm	<0.2 at 1700℃	<0.2 at 1600℃
7	Stick at high temperature			Not stuck at 1700℃	Not stuck at 1600℃
8	Thermal expansion coefficient		10^-6／℃ 20—1000℃	8.6	8.2
9	Thermal conductivity		W/m.K	25	25
10	Breakdown strength		KV/mm	20	20
11 12	Resistivity	20℃	Ohm∙mm	10¹⁴	10¹⁴
		1000℃	MΩ	≥0.08	≥0.08
		1300℃	MΩ	≥0.02	≥0.02
	Thermal shock			No crack in 6 cycles at 1550℃	No crack in 6 cycles at 1550℃
13	Highest application temperature		℃	1900	1800

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