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AL2O3 High purity Alumina Ceramic Tubes for thermocouple protection

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AL2O3 High purity Alumina Ceramic Tubes for thermocouple protection

Brand Name : GME

Model Number : OEM

Certification : ISO9001

Place of Origin : China

MOQ : 10pcs

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 100000pcs/month

Delivery Time : 7-15days

Packaging Details : Standard Export Packing

Material : Alumina Ceramic

Ends : one end closed,one end open

Usage : insulating or protection

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AL2O3 High purity Alumina Ceramic Tubes for thermocouple prorection

Description

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

Packaging

Packaging of alumina ceramic tube: PE bag inside outer carton(930*630*230mm),finally make the wooden pallet(950*950mm 950*1000mm) or according to your requirement
Shipping of alumina ceramic tube: delivery within 15 days after confirm the order.

Product Tags:

thermocouple accessories

thermocouple parts and components

Wholesale AL2O3 High purity Alumina Ceramic Tubes for thermocouple protection from china suppliers

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