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Alumina Electrical Ceramic Insulators
Mechanical Alumina Insulators Ceramic Electrical Insulator Mechanical Alumina Insulators Ceramic Electrical Insulator Mechanical Alumina Insulators Ceramic Electrical Insulator Mechanical Alumina Insulators Ceramic Electrical Insulator Mechanical Alumina Insulators Ceramic Electrical Insulator Mechanical Alumina Insulators Ceramic Electrical Insulator

Mechanical Alumina Insulators Ceramic Electrical Insulator

Alumina insulators are a reliable and effective solution for insulating electrical equipment and preventing electrical current from flowing unintentionally.We offer different shapes and sizes according to different application.

  • item no. :

    CS-D-01
    • Purity Available

      90% 92% 95% 99.5% 99.7% 99%

    • Material : Alumina ceramic

    • Shape : OEM

    • Size : OEM

  • description

Mechanical Alumina Insulators Ceramic Electrical Insulator


Advantages

1. High thermal stability: Alumina insulators are able to withstand high temperatures without experiencing any changes in their physical properties. This makes them ideal for use in high-temperature applications such as furnaces and ovens.1600℃ in long use,1800℃ in short use (Al2O3≥99%).

2. Excellent electrical insulation properties: They have high electrical insulation properties that allow them to insulate electrical conductors effectively. This makes them ideal for use in electrical devices and systems.

3. High mechanical strength: They are not easy to break under mechanical stress, can withstand great pressure, and can resist deformation under reloading.

4. Impervious to moisture: They are impervious to moisture, which makes them useful in outdoor electrical applications where they may be exposed to rain and other weather elements.

5. Low thermal expansion coefficient: The characteristics of low thermal expansion coefficients make them not significantly expand or shrink when they are exposed to temperature changes.



Descriptions

1. Alumina insulators are made of high -purity aluminum material.

2. These insulators are very durable and can withstand high mechanical and thermal stress.

3. Alumina insulators are a reliable and effective solution for insulating electrical equipment and preventing electrical current from flowing unintentionally.

4. Alumina insulators have different shapes and sizes according to the different application.



Size details

OEM: All sizes can be customized and can be made into various complex shapes with high dimensional accuracy. Please clearly provide the height, bottom diameter, top diameter, wall thickness and any special requirements. To speed up the quotation, please provide drawings.



Parameters of Alumina Ceramic


Item Test Condition 95% Al2O3 99% Al2O3 99.5% Al2O3
Physical properties Density g/cm3 >3.6 3.89 3.96
Moisture absorption % 0 0 0
Mechanical properties ROHS Hardness ≥85 ≥89 ≥89
Flexural strength psiX103 20℃ 358 550 550
Compressive strength psiX103 20℃ 2068(300) 2600(377) 2600(377)
Fracture toughness Mpa.m3/2 K(l c) 4.3 5.6 6
Thermal properties Maximum use temperature 1450 1600 1650
Thermal expansion coefficient 1X10-6/℃ (25-1000℃) 7.6 7.9 8.2
Thermal shock resistance Tc 250 200 200
Thermal conductivity w/mok 20℃ 16 30 30.4
Electrical properties Volume resistivity Ohm/cm2 100℃ >1013 >1014 >1014
Dielectric breakdown strength KV/mm 8.7(220) 8.7(220) 8.7(220)
Dielectric constant (E) 1MHz25℃ 9 9.7 9.7
Dielectric constant (100MHz) (E) 9.5



Applications

1. Electrical Industry: Alumina insulators are widely used in electrical industry to support and isolate electrical conductors. They are used in high voltage electrical equipment like transformers, generators, switchgear, reactors, and motor capacitors to prevent leakage currents.

2. Automotive Industry: The high thermal stability, corrosion resistance and wear resistance properties make them suitable for the automotive industry. Alumina insulators are used in spark plug insulators, brake pads, bearings, and other applications where high temperature resistance is required.

3. Energy Industry: They are used in the energy industry for their high temperature resistance and durability. They are used in thermal power plants, nuclear power plants, and other energy applications that require high temperature resistance and electrical insulation properties.

4. Medical Industry: Used in medical applications for their biocompatibility and electrical insulation properties. They are used in dental implants, surgical instruments, and pacemakers.

5. Electronics Industry: Used in the electronics industry for their electrical insulation and heat dissipation properties. They are used in microelectronic packaging, power modules, and high voltage electronic components.

6. Ceramic Industry: Used in the ceramic industry for their excellent thermal stability, abrasion resistance, and chemical inertness. They are used in ceramic filters, membrane supports, and other ceramic-based applications.



FAQs


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

Please offer the specification of alumina insulators, such as shape, dimension, quantity, application etc.


Q2. What are the different types of alumina insulators available?

We offer several different types of alumina insulators, including standard alumina, high -purity aluminum and alumina ceramics. Each type has unique properties and benefits, depending on the specific application and requirements.


Q3. What are the recommended storage and handling procedures for alumina insulators?

Alumina insulators should be stored in a dry, cool environment to prevent any moisture absorption, which can affect their electrical properties. They should also be handled with care to avoid any impacts or other damage that can compromise their integrity.


Q4. What is the difference between alumina insulators and other types of insulators?

Alumina insulators have superior insulation properties compared to other ceramic insulators such as steatite or porcelain. They have a higher dielectric strength and can withstand high temperatures without cracking or degrading.



How to clean alumina insulators

1. First, wipe the alumina insulators with a damp cloth to remove dust and dirt.

2. Use a soft bristle brush and a mild detergent solution to scrub the alumina insulators.

3. Wash the alumina insulators with clean water, and then dry it with a soft cloth.

4. Ensure that the alumina insulators are dry when used next time.



Quality testing standards

1. Visual inspection of the alumina insulators for any signs of damage or irregularities.

2. Measurement the dimensions of the alumina insulators to check for accuracy.

3. Checking for any pinhole defects in the alumina insulators.

4. Verification of the material and chemical composition of the alumina insulators.



Packing way





Production Process





Why Choose us?

1. We supply personalized and customized services to contact your personal needs.

2. We are experienced professionals with a good record of success.

3. We provide superior client service and promptly respond to all inquiries.

4. We provide militant prices and strive to ensure that your funds receive the best value.

5. We use the latest technologies and tools to ensure that your project is completed to the highest standards.


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If you have questions or suggestions,please leave us a message,

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