Products

Porous Alumina Tube

Brand: Yunxing
Product origin: China
Delivery time: Depending on product size and quantity
Supply capacity: 5,000-10,000/month(Looking for distributors)

1. Porous alumina tubes are known for their excellent thermal stability, chemical resistance, and high porosity. 2. The inherent strength and thermal shock resistance of porous alumina tubes make them an ideal choice for high-temperature environments. 3. The excellent wear resistance and electrical insulation performance of porous alumina tubes enhance their functionality in various professional applications. 4. The porous alumina tube structure allows for effective gas and fluid flow, making these tubes ideal for filtration and insulation under extreme conditions.

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Porous Alumina Tube

Advantages of Porous Alumina Tubes

1. Porous alumina tubes are known for their excellent thermal stability, chemical resistance, and high porosity.

2. The inherent strength and thermal shock resistance of porous alumina tubes make them an ideal choice for high-temperature environments.

3. The excellent wear resistance and electrical insulation performance of porous alumina tubes enhance their functionality in various professional applications.

4. The porous alumina tube structure allows for effective gas and fluid flow, making these tubes ideal for filtration and insulation under extreme conditions.

Applications of Porous Alumina Tubes

1. Porous alumina tubes are used as furnace working tubes, kiln components, and thermocouple protection tubes to protect sensitive components at high temperatures.

2. Porous alumina tubes are used as high-temperature and high-voltage insulators.

3. Porous alumina tubes are also used as heater support elements in thermal systems and measurement components in extreme environments.

4. Porous alumina tubes play a crucial role in laser technology.

5. Porous alumina tubes provide basic durability, reliability, and functionality in high stress and high temperature applications.

Size,Performance index

Insulation tube (extrusion) Specification Table:

Number	2 Bore tube SPEC: OD xID		LENGTH MM
Number	INCH	MM	LENGTH MM
1	0.031x0.005	0.79x0.13	≤18500
2	0.039x0.008	1x0.2
3	0.047x0.010	1.5x0.6
4	0.062x0.016	1.57x0.41
5	0.063x0.012	1.6x0.3
6	0.079x0.020	2x0.5
7	0.094x0.025	2.39x0.64
8	0.118x0.028	3x0.7
9	0.125x0.031	3.18x0.79
10	0.125x0.040	3.18x1.02
11	0.156x0.040	3.96x1.02
12	0.158x0.039	4x1
13	0.187x0.040	4.75x1.02
14	0.187x0.062	4.75x1.57
15	0.197x0.047	5x1.2
16	0.236x0.059	6x1.5
17	0.250x0.062	6.35x1.57
18	0.250x0.078	6.35x1.98
19	0.315x0.079	8x2
20	0.375x0.062	9.53x1.58
21	0.394x0.138	10x3.5
22	0.473x0.158	12x4

Insulation tube (extrusion) Specification Table:

Number	4 Bore tube SPEC: OD x ID		Length MM
Number	INCH	MM	Length MM
1	0.031x0.005	0.79x0.13	≤18500
2	0.039x0.010	1x0.25
3	0.047x0.010	1.19x0.25
4	0.059x0.016	1.5x0.4
5	0.063x0.016	1.59x0.41
6	0.063x0.014	1.6x0.35
7	0.094x0.020	2.39x0.51
8	0.100x0.020	2.5x0.5
9	0.118x0.020	3x0.5
10	0.125x0.020	3.18x0.51
11	0.156x0.031	3.96x0.79
12	0.158x0.032	4x0.8
13	0.187x0.031	4.75x0.79
14	0.187x0.047	4.75x1.19
15	0.197x0.047	5x1.2
16	0.218x0.050	5.54x1.27
17	0.236x0.059	6x1.5
18	0.250x0.062	6.35x1.57
19	0.313x0.062	7.95x1.57
20	0.315x0.097	8x2
21	0.394x0.079	10x2
22	0.473x0.138	12x3.5

Alumina ceramic performance index (Notice of Correct in Leakeage Rate）

NO.	Property	Unit	Alumina
1	Al2O3	%	>99.3
2	SiO2	%	—
3	Density	g/cm3	3.88
4	Water absorption	%	0.01
5	Compressive strength	MPa	2300
6	20℃ leakage rates	Torr・L/sec	>10-11=1.33322×10-12Pa・m3/sec
7	Twisting in high temperature	mm	0.2 allowed in 1600℃
8	Bonding in high temperature		not bonded in 1600℃
9	20—1000℃ coefficient of thermal expansion	mm.10-6／℃.m	8.2
10	Thermal conductivity	W/m.k	25
11	Electric insulation strength	KV/mm	20
12	20℃direct current insulation resistance	Ohm/cm	1014
13	High-temperature insulation resistance	1000℃ MΩ	≥0.08
13	High-temperature insulation resistance	1300℃ MΩ	≥0.02
14	Thermal shock resistance		4 times not cracked in 1550℃
15	Maximum working temperature	℃	1800
16	Hardness	Mohs	9
17	Flexural strength	Mpa	350

Our factory

Jinzhou Yunxing Industrial Ceramics Co., Ltd. was established in 2000, mainly producing various types of tubular ceramic products and various industrial parts with alumina content above 99.3%. The factory covers an area of 4000 square meters.

The company's main products are: alumina ceramic tubes, alumina ceramic crucibles, alumina ceramic rods, alumina ceramic boats, alumina ceramic plates, alumina ceramic parts, etc.

The company currently has 3 1800 ° C high-temperature furnaces and 2 1400 ° C low-temperature kilns independently designed and manufactured. The molding process is mainly based on grouting molding, and has other molding process equipment such as extrusion and hot die casting.

The company has 105 employees, including one senior ceramic engineer, three engineers, six overseas sales staff, and four professional after-sales staff.

FAQ

Q1. What information should we supply to get a quote?

A:Please offer the specification of ceramic tube, such as shape, dimension, quantity, application etc.

Q2.Is alumina ceramic safe?

A:Alumina ceramic, composed mainly of aluminum oxide (Al2O3), is widely regarded as safe for various applications due to its biocompatibility, thermal resistance, and electrical insulation properties. Used in medical implants and dental applications, it is well-tolerated by the body.

Q3: What are the different types of insulation thermocouple protection alumina tubes?

A: There are several different types of insulation thermocouple protection alumina tubes, including standard, reinforced, and high-temperature tubes. Each type of insulation thermocouple protection alumina tube is designed to provide specific levels of protection for the thermocouple.

Q4: How do I install insulation thermocouple protection alumina tubes?

A: Installing insulation thermocouple protection alumina tubes is relatively straightforward. First, you need to measure the thermocouple and cut the tube to the correct size. Then, you need to insert the thermocouple into the tube and secure it with adhesive. Finally, you need to attach the tube to the device and plug it in.