High Temperature Insulation 99.7% 99 Al2o3 Alumina Ceramic Tube Custom Made

Name: High Temperature Insulation 99.7% 99 Al2o3 Alumina Ceramic Tube Custom Made
SKU: 10044
Price: 23.00 USD
Availability: InStock

$23.00

Condition: New other (see details): A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections. See all condition definitions- opens in a new window or tab … Read moreabout the condition
Country/Region of Manufacture: China
Brand: chineseoem
MPN: Does Not Apply

SKU: 10044 Categories: Accessories & Supplies for Heating Applications, Al2O3 Ceramic Products, Al2O3 Ceramic Tubes, All Selling Products Tags: 99, 997%, Al, Alumina, Ceramic, Custom, High, Insulation, Made, Temperature, Tube

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This is a listing for custom made Al2O3 ceramic tube, so please message us with the size and quantity you need before purchase, thanks!

alumina ceramic tube:

1.Great mechanical strength.

2.Good heat resistant.

3.Good quality and best price.

4.Long life time.

1. We produce 95-99.7% alumina crucibles, boats, insulating parts, rods, wear resistance parts, high temperature ceramic parts etc of alumina ceramic tube products.

2. Mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial furnace of alumina ceramic tube.

3. Especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry of alumina ceramic tube.

Main performance index about alumina ceramic tube:

Project		Test the condition	Unit	99 porcelain	95 porcelain	Talc porcelain
Backbone				99%AL2O3	95%AL2O3	MgO.SiO2
Physical property	Density of volume	Normal atmospheric temperature	g/cm3	3.8	3.6	2.8
	Airtight	Normal atmospheric temperature	.	.Pass	Pass	—
	Absorbing water rate	Normal atmospheric temperature	%	0	0	0
	Temperature that frit		°C	1800	1650	1350
Mechanical performance	Rockwell hardness	Normal atmospheric temperature	HRA	88	86	76
	Resist the intensity of turning back	Normal atmospheric temperature	Mpa	350	320	150
	Compression strength	Normal atmospheric temperature	Mpa	1300	1200	900
Hot performance	Use temperature at most		°C	1700	1600	1200
	Heat resistant shaking	20O°C-1100O°C	10Num	Pass	Pass	Pass
	Hot coefficient of expansion	20O°C-80O°C	×10-6mm/°C	6.5-8.5	6.5-8.0	5.0-6.2
	Heat-conduction rate	25°C	W/m.k	29	25	2.9
	Heat-conduction rate	300°C	W/m.k	18	13	2
Dielectric constant	The medium lossing	1MHz2O°C	×10-4	≤2.5	≤4	≤8.0
	The angle tangent is worth	1MHz8O°C	×10-4	≤3.5	≤4.2	—
	Dielectric strength	Normal atmospheric temperature	KV/mm	15	16	20
	Dielectric constant	1MHz2O°C		9-10.5	9-10	≤7.5
	Resistivity of volume	2O°C	Ω.cm	>1012	>1012	>1013
		10O°C	Ω.cm	1012-1013	1012-1013	1010-1011
		30O°C	Ω.cm	>1012	3.1×109	5×108

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