Overview of High Precision Mirror Polished Alumina Ceramic Plate for Electrical Industry

High Precision Mirror Polished Alumina Ceramic Plate for Electrical Industry is advanced ceramic components made from high-purity aluminum oxide (Al₂O₃), known for their exceptional hardness, thermal stability, and corrosion resistance. These plates are widely used in demanding industries such as electronics, aerospace, semiconductor manufacturing, and high-temperature furnace applications due to their superior electrical insulation and wear-resistant properties.

Key Features of High Precision Mirror Polished Alumina Ceramic Plate for Electrical Industry

High Thermal Resistance ：Withstands extreme temperatures up to 1600°C.

Excellent Electrical Insulation：Ideal for electronic substrates & insulators.

Superior Mechanical Strength：High hardness & wear resistance for long-lasting performance.

Chemical & Corrosion Resistance：Resists acids, alkalis, and harsh environments.

Customizable：Available in various sizes, thicknesses, and purity levels (96%-99.9%).

(High Precision Mirror Polished Alumina Ceramic Plate for Electrical Industry)

Specification of High Precision Mirror Polished Alumina Ceramic Plate for Electrical Industry

This high precision mirror polished alumina ceramic plate meets strict electrical industry requirements. It consists of 99.5% pure aluminum oxide. This ensures excellent electrical insulation properties. The material offers high volume resistivity. It prevents current leakage effectively. Its dielectric strength is very high. This plate withstands high voltages reliably.

The surface undergoes special mirror polishing. It achieves an extremely low roughness value. Ra is less than 0.02 micrometers. This ultra-smooth finish minimizes surface defects. It reduces the risk of tracking or arcing. Dust and contaminants cannot adhere easily. This maintains consistent insulation performance long-term.

Dimensional accuracy is critical. We maintain tight thickness tolerances. Typical thickness options range from 0.5mm to 15mm. Custom sizes are available. The plate features exceptional flatness. Warping is minimal even under thermal stress. This ensures uniform contact and pressure distribution.

Thermal stability is a major advantage. This alumina plate handles high temperatures well. Its maximum continuous use temperature reaches 1600°C. It resists thermal shock effectively. Rapid temperature changes cause no cracking. This suits demanding electrical environments perfectly.

Mechanical strength is impressive. The plate exhibits high hardness. It resists wear and abrasion superbly. Chemical resistance is also excellent. Harsh acids and alkalis cause no damage. This guarantees long service life under tough conditions.

The manufacturing process involves precise grinding. Then advanced polishing techniques follow. Strict quality control checks every plate. We verify dimensions, surface quality, and performance. This plate is ideal for high-voltage insulators. It works well in circuit breakers and switchgear. It serves reliably in sensors and semiconductor processing equipment.

(High Precision Mirror Polished Alumina Ceramic Plate for Electrical Industry)

Applications of High Precision Mirror Polished Alumina Ceramic Plate for Electrical Industry

High precision mirror polished alumina ceramic plates solve many problems in the electrical industry. These plates are incredibly strong and resist wear very well. They handle extreme heat without breaking down. This is vital for demanding electrical settings.

Electrical insulation is a key benefit. Alumina ceramic is an excellent insulator. It prevents unwanted electrical currents from flowing where they shouldn’t. This protects sensitive components and keeps people safe. The mirror smooth surface is important too. It minimizes friction and prevents particles from sticking. This avoids contamination in clean processes.

These plates are ideal for circuit board supports during manufacturing. The heat resistance allows them to withstand soldering temperatures. The smooth surface prevents damage to delicate circuit traces. Insulation properties ensure no short circuits occur. They are also perfect bases for high-power resistors. The ceramic efficiently pulls heat away from the resistor element. This stops overheating and potential failure.

Sensor manufacturers rely on these plates. The stable, non-conductive surface provides a reliable mounting platform. The polished finish ensures precise sensor positioning and accurate readings. Semiconductor production uses them extensively. They hold wafers securely during processing steps like etching or deposition. The ultra-smooth surface prevents scratching the wafers. The material purity prevents chemical contamination.

High voltage equipment benefits greatly. These plates act as strong, reliable insulators in switches, breakers, and busbars. They maintain electrical separation even under high stress. Their durability ensures long service life in tough conditions. Heat sinks for electronics sometimes use them. While not as conductive as metal, they offer electrical isolation where needed. This adds safety in specific designs.

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 High Precision Mirror Polished Alumina Ceramic Plate for Electrical Industry

Here are key questions about our high precision mirror polished alumina ceramic plates for electrical uses:

Why is mirror polish important for electrical applications?
The ultra-smooth surface prevents electrical arcing. It ensures consistent contact with components. This reduces energy loss. It improves device reliability. Surface flaws cause electrical failures.

How well does this ceramic handle high temperatures?
Extremely well. It withstands temperatures exceeding 1500°C. This is vital near heat sources like resistors or power electronics. Metals warp or melt. The ceramic stays stable. Performance doesn’t drop.

Is it stronger than metal plates?
Yes, much stronger under compression. It resists deformation better. But it’s brittle. It cracks under sharp impact or bending force. Metal bends. This ceramic shatters. Handle it carefully. Use it where constant pressure exists, not bending.

Can you make custom sizes and hole patterns?
Absolutely. We precisely cut and drill plates to your exact drawings. Tight tolerances are standard. Complex hole layouts are possible. Just provide your specifications. We confirm feasibility before production.

What special handling is needed?
Avoid dropping it. Prevent edge impacts. Do not apply bending forces. Clean surfaces gently with appropriate solvents. Do not use abrasive cleaners. Store plates separated. Use protective padding. Inspect for chips before installation. Chips compromise electrical insulation.

(High Precision Mirror Polished Alumina Ceramic Plate for Electrical Industry)