High Temperature 99% Alumina Ceramic Plates
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Advantages of alumina ceramic plates
Alumina ceramic plates have excellent thermal conductivity and can quickly conduct heat. During the operation of electronic devices, the large amount of heat generated by chips and other components can quickly diffuse through ceramic plates to prevent local overheating.
Alumina ceramic plates have extremely high insulation resistance and breakdown voltage, which can reliably isolate circuits in high voltage and high current working environments, prevent current leakage and short circuits, and ensure the safe operation of electronic devices.
Alumina ceramic plates have high hardness and bending strength, and can withstand a certain degree of external impact, vibration, and friction.
Alumina ceramic plates have strong chemical stability, are resistant to acid and alkali corrosion, and can maintain stable performance even in complex chemical environments.
It can meet the high-precision requirements of electronic devices for components through advanced processing technology and precise control of dimensional accuracy. At the same time, it has good processability and can be processed into various complex shapes to adapt to the internal structural design of different electronic devices.
Application of alumina ceramic plates
Alumina ceramic plates are an indispensable key material in electronic device manufacturing. In integrated circuit packaging, it is used as a substrate, and in chip resistors, alumina ceramic chips serve as carriers for resistance elements, meeting the requirements of miniaturization and high performance of electronic devices.
In the mechanical sealing process, alumina ceramic plates are often used to manufacture sealing rings. Widely used in yarn guiding components of pumps, compressors, textile machinery, etc.
It have been widely used as linings for chemical reaction vessels. In the field of chemical pipeline transportation, alumina ceramic plates are used as lining.
Size,Performance index
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 |
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 |
Alumina ceramic tube dimensions
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.
FAQ
A1. Ceramics are non-metallic, inorganic materials that are typically composed of a combination of metallic and non-metallic elements. Alumina is a type of ceramic oxide, specifically an oxide of aluminum. It is widely used in various applications due to its excellent mechanical, thermal, and electrical properties.
A2. Because of their excellent chemical stability, alumina ceramics plates are used widely in acid-resistant pump impellers, pump bodies, acid-carrying pipe linings and valves. Alumina ceramics plates are used in the manufacture of textile wear parts and knives. This is due to their extreme hardness and wear resistance.
A3. Alumina ceramic plates is a very hard ceramic that is excellent at resisting abrasion and is ideal for wear-resistant inserts or products.
Certificates
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