Products

Alumina Sheet

Brand: Yunxing
Product origin: China
Delivery time: Depending on product size and quantity
Supply capacity: 3000-5000/month

1. High Hardness and Strength:Alumina sheets have a high hardness level, comparable to that of diamonds, which makes them highly resistant to wear and abrasion. Their excellent strength ensures durability even under harsh conditions. 2. Excellent Thermal Stability: With a high melting point and low thermal expansion, alumina sheets can withstand extreme temperatures, making them ideal for high-temperature applications. 3. Electrical Insulation:Alumina sheets is an excellent electrical insulator, which is crucial for applications requiring reliable insulation in electrical and electronic components. 4. Chemical Resistance:Alumina sheets are highly resistant to most acids and alkalis, as well as other corrosive substances, ensuring long-term performance in chemically aggressive environments. 5. Low Density: Despite their strength and durability, alumina sheets have a relatively low density, which is beneficial in applications where weight reduction is important.

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Alumina Sheet

Alumina Sheet

Alumina sheets, also known as aluminum oxide sheets, are high-performance ceramic materials made from alumina (Al₂O₃). They exhibit exceptional mechanical, thermal, and chemical properties, making them suitable for a wide range of industrial and scientific applications.

Advantages of Alumina Sheets

1. High Hardness and Strength:Alumina sheets have a high hardness level, comparable to that of diamonds, which makes them highly resistant to wear and abrasion. Their excellent strength ensures durability even under harsh conditions.

2. Excellent Thermal Stability: With a high melting point and low thermal expansion, alumina sheets can withstand extreme temperatures, making them ideal for high-temperature applications.

3. Electrical Insulation:Alumina sheets is an excellent electrical insulator, which is crucial for applications requiring reliable insulation in electrical and electronic components.

4. Chemical Resistance:Alumina sheets are highly resistant to most acids and alkalis, as well as other corrosive substances, ensuring long-term performance in chemically aggressive environments.

5. Low Density: Despite their strength and durability, alumina sheets have a relatively low density, which is beneficial in applications where weight reduction is important.

Applications of Alumina Sheets

1. Electronics and Electrical Engineering: Due to their excellent electrical insulation properties, alumina sheets are widely used in the manufacture of substrates for electronic circuits, insulators, and other electronic components.

2. Thermal Management: The high thermal conductivity and stability of alumina sheets make them ideal for use in heat sinks, thermal barriers, and other thermal management systems.

3. Mechanical Parts:Alumina sheets are used to produce high-wear mechanical parts such as seals, bearings, and cutting tools due to their hardness and wear resistance.

4. Chemical Processing: Their chemical resistance makes alumina sheets suitable for lining reactors, tanks, and other equipment in the chemical processing industry.

5. Medical and Dental Applications:Alumina sheets is biocompatible and is used in medical devices, prosthetics, and dental implants.

Conclusion

Alumina sheets offer a combination of high strength, excellent thermal and chemical resistance, and electrical insulation, making them versatile materials for various demanding applications. Their unique properties ensure reliability and efficiency, making them indispensable in numerous industries.

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.

There ars 3pcs 1800 ° C high-temperature kilns ,2pcs 1400 ° C low-temperature kilns produced by our company independently. There are slip casting(main),and extrusion molding,injection molding etc other molding technologies,which can satisfy the produvtion requirements of various specific ceramics products.

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

Alumina

FAQ

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

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

Q2. What types of alumina sheets are available?

A2. Alumina sheets are available in a variety of types, including square, circular. The type of substrate used will depend on the application and the desired properties.

Q3: What is the difference between alumina sheets and other ceramic plate?

A3. Alumina sheets have higher electrical insulation than other ceramic plate, such as beryllium oxide or aluminum nitride. They also have higher thermal conductivity and better mechanical stability than other substrates.