Products

Alumina Ceramic Tube

Brand: YUNXING
Product origin: China Jinzhou
Delivery time: 5-30 Days
Supply capacity: 5,000-10,000/month(Looking for distributors)

1. Alumina ceramic tubes are made of high-purity aluminum oxide. 2. Alumina ceramic tubes have excellent corrosion resistance, wear resistance, and high temperature resistance. 3. Alumina ceramic tubes have precise engineering design and strict quality control. 4. Our alumina ceramic tubes meet the strictest industry standards, providing excellent protection and service life.

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Alumina Ceramic Tube

My factory looking for distributors.

Advantages of alumina ceramic tubes

1. Alumina ceramic tubes are made of high-purity aluminum oxide.

2. Alumina ceramic tubes have excellent corrosion resistance, wear resistance, and high temperature resistance.

3. Alumina ceramic tubes have precise engineering design and strict quality control.

4. Our alumina ceramic tubes meet the strictest industry standards, providing excellent protection and service life.

Application of alumina ceramic tubes

1. Furnace work tubes

2. Kiln furniture, components & accessories

3. Thermocouple protection tubes

4.Heater Support Elements

5. High Temperature Electrical Insulators

6. Extreme temperature measurement components

7.Ceramic Laser components

8. High voltage electrical insulators

Product Features

▪ Alumina furnace tube made by 99.3%-99.7% high purity alumina

▪ Alumina furnace tube max working temperature is 1800C

▪ The quality can pass the SGS and DIN43724/DIN43725/DIN40680

▪ Both end open with good verticality

▪ Can do the drilling and ground finishing processing

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

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.

Alumina Ceramic Tube

FAQ

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

A1: Please offer the specification of ceramic tube, such as shape, dimension, quantity, application etc.

Q2. Can alumina ceramic furnace tubes be reused after use?

A2: Yes, alumina ceramic furnace tubes can be reused after use, provided they are undamaged and free from contamination. Proper cleaning and inspection are necessary to ensure their suitability for subsequent applications.

Q3. Are alumina ceramic furnace tubes suitable for high-pressure applications?

A3: Yes, alumina ceramic furnace tubes can be used in high-pressure applications. Their excellent mechanical strength and resistance to thermal and chemical stresses make them suitable for demanding conditions.

Q4. Can alumina ceramic furnace tubes withstand rapid temperature changes?

A4: Alumina ceramic furnace tubes exhibit good thermal shock resistance, allowing them to withstand rapid temperature changes without cracking or breaking. However, it's essential to choose a tube with suitable thermal shock resistance for specific application requirements.

Q5. Can alumina ceramic furnace tubes be custom-designed for specific applications?

A5: Yes, many suppliers offer customization options for alumina ceramic furnace tubes. Customization can include adjustments to size, shape, and additional features to meet the specific needs of your application.

Alumina