Products

Alumina Tube Furnace

Brand: Yunxing
Product origin: China
Delivery time: Depending on product size and quantity
Supply capacity: 3,000-5,000/month(Looking for distributors)

1. High Temperature Resistance: Alumina tube furnaces are highly resistant to extreme temperatures, capable of withstanding up to 1800°C, making them ideal for high-temperature processes. 2. Excellent Thermal Stability: Alumina tube have exceptional thermal shock resistance, maintaining structural integrity when exposed to rapid temperature changes. 3. Superior Corrosion Resistance: Alumina tube is chemically inert and resists corrosion by acids, alkalis, and other aggressive chemicals, making it suitable for harsh environments. 4. Mechanical Strength: Alumina tube furnaces are strong and durable, providing high mechanical strength and resistance to wear, ensuring longevity and cost-effectiveness. 5. Electrical Insulation: Alumina tube exhibits excellent electrical insulating properties, enabling its use in applications where electrical isolation is critical. 6. Purity and Non-reactivity: High-purity alumina tubes ensure minimal contamination, essential in processes that require a clean and stable environment.

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Alumina Tube Furnace

Alumina Tube

Advantages of Alumina Tube Furnace

1. High Temperature Resistance: Alumina tube furnaces are highly resistant to extreme temperatures, capable of withstanding up to 1800°C, making them ideal for high-temperature processes.

2. Excellent Thermal Stability: Alumina tube have exceptional thermal shock resistance, maintaining structural integrity when exposed to rapid temperature changes.

3. Superior Corrosion Resistance: Alumina tube is chemically inert and resists corrosion by acids, alkalis, and other aggressive chemicals, making it suitable for harsh environments.

4. Mechanical Strength: Alumina tube furnaces are strong and durable, providing high mechanical strength and resistance to wear, ensuring longevity and cost-effectiveness.

5. Electrical Insulation: Alumina tube exhibits excellent electrical insulating properties, enabling its use in applications where electrical isolation is critical.

6. Purity and Non-reactivity: High-purity alumina tubes ensure minimal contamination, essential in processes that require a clean and stable environment.

Applications of Alumina Tube Furnace

1. Material Synthesis: Alumina tube furnaces are commonly used in material research and the synthesis of advanced ceramics, metals, and alloys at high temperatures.

2. Heat Treatment: Ideal for annealing, sintering, and calcination processes, alumina tube furnaces are used in industries such as metallurgy, glass, and electronics.

3. Laboratory Experiments: Due to their thermal stability and chemical inertness, they are widely used in academic and industrial laboratories for high-temperature experiments.

4. Semiconductor Manufacturing: Alumina tube furnaces are critical for processes such as oxidation and diffusion in semiconductor fabrication.

5. Thermal Testing: Used in testing the thermal properties of materials, alumina tube furnaces allow precise control over extreme temperature environments.

Properties of Alumina Ceramic

Alumina Ceramic are the most highly regarded and widely used of the ceramic products. It is non-conductive, resistant to corrosion, and are perfect for electrical insulation.

Alumina Ceramic has proven to be the best ceramic for protection of vital electrical components. It can be processed as tubing, sheets, bars, rods, discs, and many other forms depending on the requirements of the project.

AH100a Alumina Ceramic is configured to protect high voltage circuits.

Size,Performance index

Alumina Tube(open both ends)(slip casting) Specification Table:

Number	SPEC: OD x ID		LENG TH MM	Number	SPEC: OD x ID		LENG TH MM
Number	INCH	MM	LENG TH MM	Number	INCH	MM	LENG TH MM
1	0.197x0.118	5x3	≤800	32	1.126x0.886	28.6x22.5	≤1800
2	0.236x0.157	6x4	≤1300	33	1.181x0.827	30x21
3	0.250x0.125	6.4x3.2		34	1.181x0.906	30x23
4	0.250x0.157	6.4x4		35	1.260x0.984	32x25
5	0.250x0.188	6.4x4.8		36	1.375x1.125	34.9x28.6
6	0.276x0.157	7x4		37	1.378x1.063	35x27
7	0.276x0.197	7x5		38	1.496x1.181	38x30
8	0.315x0.197	8x5		39	1.575x1.181	40x30
9	0.354x0.236	9x6	≤1600	40	1.654x1.339	42x34
10	0.375x0.250	9.6x6.4		41	1.750x1.500	44.5x38.1
11	0.394x0.236	10x6		42	1.811x1.496	46x38
12	0.394x0.276	10x7		43	1.875x1.625	47.6x41.3
13	0.433x0.276	11x7		44	1.969x1.575	50x40
14	0.472x0.236	12x6		45	2.000x1.750	50.8x44.5
15	0.472x0.315	12x8		46	2.250x2.000	57.2x50.8
16	0.472x0.355	12x9		47	2.283x1.890	58x48
17	0.500x0.250	12.7x6.4		48	2.362x1.96	60x50
18	0.500x0.375	12.7x9.5		49	2.500x2.250	63.5x57.2
19	0.551x0.394	14x10		50	2.559x2.165	65x55
20	0.591x0.394	15x10	≤1800	51	2.750x2.500	69.9x63.5
21	0.630x0.472	16x12		52	2.756x2.362	70x60
22	0.669x0.472	17x12		53	2.956x2.561	75x65
23	0.688x0.437	17.5x11.1		54	3.000x2.750	76x70
24	0.750x0.512	19.1x13		55	3.150x2.675	80x68
25	0.787x0.591	20x15		56	3.500x3.125	88.9x79.4	≤1600
26	0.866x0.630	22x16		57	3.543x3.150	90x80
27	0.866x0.669	22x17		58	3.937x3.543	100x90
28	0.945x0.709	24x18		59	4.000x3.650	101.6x93
29	1.000x0.750	25.4x19.1		60	4.331x3.937	110x100	≤1500
30	1.063x0.669	27x17		61	4.500x4.125	114.3x105
31	1.063x0.787	27x20		62	4.724x4.331	120x110

Insulation tube (extrusion) Specification Table

Number	1 Bore tube SPEC: OD x ID		Length MM
Number	INCH	MM	Length MM
1	0.031x0.011	0.8x0.3	≤18500
2	0.039x0.019	1x0.5
3	0.059x0.024	1.5x0.6
4	0.079x0.039	2x1
5	0.100x0.050	2.5x1.3
6	0.118x0.059	3x1.5
7	0.118x0.079	3x2
8	0.125x0.063	3.2x1.6
9	0.157x0.079	4x2
10	0.197x0.118	5x3
11	0.236x0.118	6x3
12	0.236x0.157	6x4
13	0.250x0.125	6.4x3.2
14	0.250x0.157	6.4x4
15	0.250x0.188	6.4x4.8
16	0.276x0.197	7x5
17	0.315x0.197	8x5
18	0.354x0.236	9x6
19	0.374x0.250	9.5x6.35
20	0.394x0.236	10x6
21	0.433x0.276	11x7
22	0.472x0.315	12x8

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

Composition table

NAME	CONTENT(%)
Al2O3	99.3-99.5(99.7)
SiO2	0.3-0.5
CaO+MgO	0.2-0.3
K2O+Na2O	0.2-0.35
Fe2O3	<0.1
OTHER	<0.05

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 provide to obtain a quotation?

A1. Please provide the specifications of the ceramic tube, such as shape, size, quantity, purpose, etc.

Q2: What are the different types of aluminum oxide pipes?

A2. There are several different types of aluminum oxide tubes, including furnace tubes, thermocouple tubes, and high-temperature tubes. You can also customize specialized size tubes.

Q3. Is alumina tube hard?

A3. Alumina is a very hard ceramic that is excellent at resistance abrasion and is ideal for wear resistant inserts or products.

Q4. What is the delivery cycle for alumina tubes?

A4. The delivery cycle of alumina tubes depends on the required size and quantity. Please contact us for more information.