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Overview of White Electrical Insulating 95% 96% 99% 99.7% Al2O3 Alumina Ceramic Square Plate
White Electrical Insulating 95% 96% 99% 99.7% Al2O3 Alumina Ceramic Square Plate is precision-engineered from 99%+ pure aluminum oxide (Al₂O₃), offering outstanding mechanical strength and thermal stability. With a maximum operating temperature of 1800°C, these rings are widely used in high-wear applications such as bearings, seals, insulators, and semiconductor processing equipment. Their exceptional hardness and corrosion resistance make them ideal for demanding industrial environments.
Key Features of White Electrical Insulating 95% 96% 99% 99.7% Al2O3 Alumina Ceramic Square Plate
Extreme Temperature Resistance – Stable up to 1800°C with minimal thermal expansion
Superior Wear Resistance – Harder than steel, ensuring long service life
Excellent Electrical Insulation – High dielectric strength for electronic applications
Chemical Inertness – Resists acids, alkalis, and corrosive gases
Precision Machined – Tight tolerances for consistent performance in mechanical assemblies

(White Electrical Insulating 95% 96% 99% 99.7% Al2O3 Alumina Ceramic Square Plate)
Specifications of White Electrical Insulating 95% 96% 99% 99.7% Al2O3 Alumina Ceramic Square Plate
These white alumina ceramic square plates deliver superb electric insulation. They can be found in numerous pureness grades: 95%, 96%, 99%, and 99.7% Al2O3. Higher purity usually suggests better performance. The 99.7% Al2O3 quality uses top-tier attributes.
Home plates are made from premium light weight aluminum oxide powder. They are created and discharged at very heats. This process creates a dense, tough structure. The material is naturally white. It gives superb electric resistance. This makes it optimal for protecting electronic parts.
You will locate these plates in standard square forms. Typical dimensions consist of 50x50mm, 100x100mm, and 150x150mm. Density alternatives are usually 1mm, 2mm, 5mm, and 10mm. Other dimensions are feasible. Personalized measurements call for calling the manufacturer.
Secret residential properties depend on the alumina material. Thickness raises with purity. The 99.7% grade is densest, around 3.92 g/cm SIX. Solidity likewise improves. Greater purity plates resist put on better. They take care of higher voltages. The 99.7% quality stands up to over 15 kV/mm. All grades use great thermal stability. They function well up to 1600 ° C.
Mechanical strength is very important. The 99% and 99.7% qualities are best. They withstand bending and damaging under load. Surface surface is normally smooth. This helps with electrical efficiency. The plates are really stable chemically. They resist most acids and alkalis.
These plates are commonly used. They act as substratums in power electronic devices. They shield burner. They develop parts in vacuum cleaner systems. High-purity plates suit demanding semiconductor applications. Lower pureness qualities work well for basic industrial insulation. The product is dependable and durable. It executes regularly under tough problems.

(White Electrical Insulating 95% 96% 99% 99.7% Al2O3 Alumina Ceramic Square Plate)
Applications of White Electrical Insulating 95% 96% 99% 99.7% Al2O3 Alumina Ceramic Square Plate
These white alumina ceramic plates offer excellent electric insulation. Their high pureness levels issue. Plates with 95% or 96% Al2O3 are cost-efficient. They function well for basic electrical insulation demands. Think about insulating bases for heating units. Think about separators in electrical equipment. These plates take care of modest warm also.
Higher pureness plates like 99% or 99.7% Al2O3 carry out much better. They supply superior insulation resistance. They show a lot lower electric leak. This is vital for delicate electronic devices. Semiconductor handling makes use of these high-purity plates. They hold silicon wafers safely. They protect against electric disturbance throughout etching or deposition. High-precision sensors likewise rely upon them. Steady insulation is essential for exact readings.
These plates deal with extreme heat. Furnaces require such materials. They act as secure assistances or linings inside kilns. They do not warp easily at high temperatures. Plasma applications demand their security. They hold up against intense problems without breaking down. Their high dielectric strength stops electrical power from leaking. This makes them secure for high-voltage arrangements.
The surface area is extremely smooth. It withstands chemicals well. This is essential in laboratories. It avoids contamination. The material is extremely hard. It resists wear in time. Parts last much longer. This saves cash on replacements. Designers pick these plates for requiring settings. They require reliable efficiency. The plates supply consistent outcomes. Manufacturing facilities use them for jigs and components. They hold parts precisely during machining or setting up. Their stability makes sure accuracy. Semiconductor handling tools frequently use 99.7% plates. Cleanliness is non-negotiable there.
Company Profile
Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.
Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods
T/T, Western Union, Paypal, Credit Card etc.
Shipment Methods
By air, by sea, by express, as customers request.
5 FAQs of White Electrical Insulating 95% 96% 99% 99.7% Al2O3 Alumina Ceramic Square Plate
Here are five common questions about our White Electrical Insulating Alumina Ceramic Square Plates:
What exactly is this ceramic plate?
This is a square plate made from aluminum oxide (Al2O3), also called alumina. It’s white in color. Its main job is to block electricity. It keeps electrical parts safe and separated. We offer different purity levels: 95%, 96%, 99%, and 99.7%.
Why do the purity levels matter?
Higher purity means better performance. Plates with 95% or 96% Al2O3 work well for many standard jobs. They are cost-effective. Plates with 99% or 99.7% Al2O3 handle tougher conditions. They resist electricity better at high voltages. They handle heat better. They are stronger mechanically. They last longer under stress.
Where are these plates typically used?
You find them in many electrical and high-heat setups. They work in power electronics. They insulate heating elements. They support parts inside furnaces. They serve in semiconductor tools. They act as bases for sensors. Any place needing strong electrical insulation and heat resistance uses them.
Why choose a square shape?
The square shape is very practical. It fits neatly into many machine designs and electrical assemblies. It’s easy to arrange multiple plates together. This makes efficient use of space. Corners are usually beveled or chamfered. This prevents chipping. It makes handling safer.
How do I handle and install these plates?
Handle them gently. Alumina ceramic is hard but can break if dropped or hit hard. Avoid sudden temperature changes. Thermal shock can cause cracks. Make sure the plate fits correctly. Don’t force it. Use the right purity grade for your voltage and temperature needs. Clean surfaces ensure good insulation.

(White Electrical Insulating 95% 96% 99% 99.7% Al2O3 Alumina Ceramic Square Plate)
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