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Description
Overview of Aluminum Oxide Ceramic Board Polished 99.7% Alumina Ceramic Sheet Al2O3 Plate Ceramic Block
Aluminum Oxide Ceramic Board Polished 99.7% Alumina Ceramic Sheet Al2O3 Plate Ceramic Block is high-performance refractory materials made from premium alumina (Al₂O₃), offering exceptional thermal resistance, mechanical strength, and chemical stability. They are widely used in high-temperature industrial applications such as kilns, furnaces, and reactors, ensuring durability and efficiency in extreme conditions.
Key Features of Aluminum Oxide Ceramic Board Polished 99.7% Alumina Ceramic Sheet Al2O3 Plate Ceramic Block
High Thermal Stability – Withstands extreme temperatures up to 1800°C (3272°F).
Superior Corrosion Resistance – Resists acids, alkalis, and molten metals.
Excellent Mechanical Strength – High hardness and wear resistance for long-lasting performance.
Low Thermal Conductivity – Enhances energy efficiency in high-heat applications.
Customizable Sizes & Shapes – Available in various dimensions to meet specific industrial needs.
High Purity (90%-99% Al₂O₃) – Ensures reliability in demanding environments.

(Aluminum Oxide Ceramic Board Polished 99.7% Alumina Ceramic Sheet Al2O3 Plate Ceramic Block)
Specification of Aluminum Oxide Ceramic Board Polished 99.7% Alumina Ceramic Sheet Al2O3 Plate Ceramic Block
This sleek aluminum oxide ceramic board offers phenomenal performance. It includes 99.7% pure alumina (Al2O3). This high pureness warranties superb material buildings. The density gets to 3.90 g/cm TWO. This makes the board extremely hard and immune to use. It withstands heats conveniently. You can use it continually as much as 1650 ° C. Short-term direct exposure to also greater heat is possible. Thermal shock resistance is also very good. The board deals with abrupt temperature level changes well. This stops fracturing or damage.
Electric insulation is a major stamina. The dielectric strength is high. It accurately blocks electrical current. This makes it secure for requiring electric usages. The surface area finish is smooth as a result of polishing. Polishing decreases surface area roughness. This minimizes friction and particle losing. A smooth surface is simpler to clean. It also enhances efficiency in vacuum environments. The product stands up to chemical strike highly. A lot of acids and alkalis will not hurt it. It functions well in destructive setups. Mechanical stamina goes over. The board is tight and withstands bending. It uses great compressive toughness as well. It lasts long under hefty lots.
These properties make it essential across several markets. It’s best for semiconductor manufacturing equipment. Heating system linings and heating element supports utilize it frequently. Laser systems count on its thermal security. Insulators in high-voltage applications need its electrical properties. Sensing unit parts gain from its security. It serves well in logical instruments. Wear parts utilize its solidity. The material is biocompatible. This permits usages in clinical devices also.
Requirement densities consist of 1mm, 2mm, 3mm, 5mm, 6mm, 10mm, and 15mm. Personalized thicknesses are readily available upon demand. Conventional sheet dimensions are 100x100mm, 150x150mm, 200x200mm. Bigger dimensions like 300x300mm are likewise typical. We can cut sheets to your precise measurements. Hole exploration and side shaping are feasible. This supplies specific components for your assembly. The brightened coating fulfills high monotony needs. It makes certain consistent efficiency.

(Aluminum Oxide Ceramic Board Polished 99.7% Alumina Ceramic Sheet Al2O3 Plate Ceramic Block)
Applications of Aluminum Oxide Ceramic Board Polished 99.7% Alumina Ceramic Sheet Al2O3 Plate Ceramic Block
This polished light weight aluminum oxide ceramic board supplies excellent efficiency. It’s made from 99.7% pure alumina (Al2O3). This high purity is vital. It gives the material superior firmness and toughness. You can count on it to stand up to wear extremely well.
The surface area is precisely brightened. This produces an exceptionally smooth surface. This level of smoothness is vital for lots of precision uses. It lessens rubbing and stops unwanted bit generation. The material takes care of extremely high temperatures conveniently. It remains stable even under intense warm. This makes it ideal for demanding thermal atmospheres.
Electrical insulation is one more major advantage. This alumina ceramic sheet obstructs electrical energy effectively. It functions reliably also at high voltages. This property is crucial for electronics. It’s extensively used in semiconductor manufacturing devices. It safeguards delicate electronic parts. The ceramic is also very resistant to chemical strike. A lot of solid acids and antacid will not harm it. This ensures long life in rough chemical procedures.
Because of these traits, the Al2O3 plate offers numerous crucial roles. It creates strong substratums for thin film circuits. It functions as trustworthy insulators in high-power electronic devices. The refined surface is excellent for vacuum chamber components. It develops outstanding bearing surface areas and put on plates. The product is essential in medical devices calling for biocompatibility. It functions in high-temperature heater components. It gives thermal administration in lasers. Its dimensional stability supports precision dimension devices. It locates usage throughout aerospace, automotive, and power sectors.
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 Aluminum Oxide Ceramic Board Polished 99.7% Alumina Ceramic Sheet Al2O3 Plate Ceramic Block
What exactly is this ceramic board made of?
It’s 99.7% pure aluminum oxide (Al2O3). This means it’s nearly all alumina. This purity gives it excellent performance. It’s different from lower-grade ceramics.
How hot can this ceramic board get before it breaks?
This ceramic handles extreme heat very well. It works fine up to about 1650°C (3000°F). It doesn’t melt or warp easily at high temperatures. This makes it good for furnaces and high-heat parts.
Does electricity pass through this ceramic easily?
No, it does not. This alumina ceramic is a very strong electrical insulator. Even under high voltage, electricity struggles to pass through it. You can safely use it around electrical components.
Why is the surface polished?
Polishing creates a very smooth, flat finish. This smoothness reduces friction. It also makes the board easier to clean. Dirt and liquids don’t stick to it well. The polished look is also more professional.
Where is this polished alumina ceramic typically used?
You’ll find it in many demanding jobs. It’s common in semiconductor equipment. It’s used for heater bases and sensor mounts. It works well as electrical insulation in power electronics. It’s also found in lab equipment and wear-resistant parts.

(Aluminum Oxide Ceramic Board Polished 99.7% Alumina Ceramic Sheet Al2O3 Plate Ceramic Block)
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