C799/99.7% high purity alumina ceramic protection tube

High purity alumina ceramic protection tube

Product Description:

High purity alumina ceramic protetcion tubes

1. Color: Ivory, white, pink.

2. Material: C610, C795, C799 etc.

3. Shape: round, cube,oval,oblate,one end closed, two ends open, multihole, flange, threaded,solid rod etc.

4. Post-Processing: glazed, polishing,trepanning,grinding,slotting etc.

5. We can customize the tube based on your drawing or real sample.

Parameter for your reference

Al2O3 content(%)	99.7%	99.5%
Volume density（g/cm3）	3.85	3.81
Porosity(%)	0	0
Breaking strength（MPa)	370	340
Coefficient of linear expansion(×10-6/℃)（25-800℃）	7.6	7.6
Thermal conductivity[w/(m.R)]	35	34
Insulating stremngth(KV/m)	10	10
Volume resistivity(Ω.cm) 20℃	＞1014	＞1014
Continunous UseTemperature（℃）	1700	1600
Moh's hardness	9	9
Refractoriness	2040	2030

Specification

Dimension		OD（mm）	ID（mm）	L（mm）
Thermocouple protection tube		7 to 120	1 to 110	10 to 3000
Inner insulator	1 hole	2 to 120	1 to 110	10 to 3000
	2 holes	1 to 10	0.4 to 2	10 to 3000
	4 holes	2 to 10	0.5 to 2	10 to 3000

Dimension of ceramic protection tube for your reference