Al2O3 Alumina Ceramic Tube for Furnace Processing

Product Description

 Al2O3 Alumina Ceramic Tube for Furnace Processing

 

Product 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/cm^3	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
		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	>10^12	>10^12	>10^13
		10O°C	Ω.cm	10^12-10^13	10^12-10^13	10^10-10^11
		30O°C	Ω.cm	>10^12	3.1×10^9	5×10^8

 The sample pictures for alumina tube for your reference:


 

Packaging & Shipping

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.

 

Company Information

 

Hunan RuiYue  is a modern enterprise management company, who devote themselves to the service of product research and development, construction and maintenance.

 

Our company has a long history. We own the advanced equipment, a young, energetic, proficient and experienced team of professionals which with leading technology strength, excellent operational management and high-quality services what made us be recognized by customers of the chemical, petroleum, electric power, metallurgy, building material, aerospace, machinery and other industries.

 

 

 

Our Services

 

Why choose Rui Yue?

 

High puriy material make sure high max working temperature,

 

Tight tolerance make sure the right installation.

 

Large quantity in stock ensured fast delivery.

 

Large capacity reduce materical prices.

 

Our service from RuiYue:

 

Inquiry response: Your inquiries will be replied in 24 hours.

 

Sample support: Two free samples are available in 3~5days.

 

Delivery time: Your shipment will be loaded in 15~25days.depends on quantity.

Payment term: T/T, L/C, D/P, D/A, Western Union (Sample only) We can supply the products according to customer's drawings, samples and performance requirement. 

 

FAQ

Please follow the using specifications to expand the working lifetime and better 

the heat conductivity of alumina ceramic tube. 

A piece of instruction paper will be found in bag of alumina ceramic tube,If manual book is

required, please notice in advance.

 

If any questions please feel free to let us know anytime.