Introduction to Alumina Ceramics

Alumina ceramics are known for their high hardness, wear resistance, corrosion resistance, good electrical insulation and high temperature stability. According to the different alumina content, it can be divided into different grades, such as 95 porcelain, 99 porcelain, etc., among which 99 porcelain refers to ceramic materials with an alumina content of 99%. As the alumina content increases, its mechanical strength and electrical insulation properties will also increase accordingly.

Characteristics of Alumina Ceramics

High Hardness: Alumina ceramics have extremely high hardness, which makes it very wear-resistant and suitable for manufacturing abrasive tools and parts that require wear resistance.

Wear resistance: Due to its high hardness, alumina ceramics show excellent wear resistance and are suitable for manufacturing parts for long-term use.

Corrosion resistance: Alumina ceramics have good resistance to most acids and alkalis, making them widely used in the chemical industry.

Good electrical insulation: As an excellent electrical insulating material, alumina ceramics are widely used in electronic and electrical products.

High temperature stability: Ability to withstand extremely high temperatures without significant physical or chemical changes, which makes it an ideal choice for applications in high temperature environments.

Biocompatibility: In the medical field, certain grades of alumina ceramics are used to make medical devices such as artificial joints due to their good biocompatibility.

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Specifications of High-quality 99.7% Al2o3 Alumina Ceramic Products

High-quality 99.7% Al2O3 alumina ceramic products are engineered for exceptional performance in demanding applications. These products include 99.7% light weight aluminum oxide, ensuring high pureness and uniformity. The product is created through advanced sintering processes, leading to a dense, non-porous framework. This framework improves mechanical stamina, put on resistance, and long life.

Alumina porcelains excel in high-temperature settings. They stand up to constant usage at temperatures up to 1650 ° C. Thermal shock resistance is strong, allowing fast temperature adjustments without splitting. The coefficient of thermal growth is low, decreasing dimensional modifications under warm.

Mechanical buildings are extraordinary. Hardness gets to 82-85 HRA, making the product immune to abrasion. Flexural stamina surpasses 300 MPa, providing sturdiness under heavy loads. Compressive toughness is high, suitable for high-pressure problems.

Chemical stability is a crucial benefit. Alumina ceramics resist deterioration from acids, alkalis, and organic solvents. They carry out accurately in aggressive chemical settings. Wetness absorption is nearly zero, stopping degradation in damp settings.

Electric insulation properties are exceptional. Dielectric strength procedures 15-20 kV/mm, suitable for digital and electrical parts. Volume resistivity stays high also at raised temperature levels.

Surface area finish choices include polished, ground, or as-sintered coatings. Resistances are snugly controlled, with precision machining available for complicated geometries. Common forms consist of plates, tubes, poles, and custom-made components.

Applications span multiple sectors. They are used in semiconductor manufacturing, heating system components, reducing tools, and medical tools. Wear-resistant components like seals and bearings benefit from alumina’s durability.

Modification is possible to satisfy details requirements. Changes in dimensions, surface area treatments, or mechanical homes can be made. Compatibility with extreme conditions guarantees reliability in commercial, aerospace, and laboratory settings.

Product testing is performed to confirm performance. Tests consist of density dimension, solidity checks, and thermal analysis. Quality assurance ensures each item meets rigorous market standards.

These porcelains provide a cost-efficient service for high-performance needs. Their mix of thermal, mechanical, and chemical residential properties makes them a favored choice for designers and suppliers.

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Applications of High-quality 99.7% Al2o3 Alumina Ceramic Products

Top quality 99.7% Al2O3 alumina ceramic products are used in lots of industries since they are strong, resistant to warm, and resilient. These ceramics are essential for making cutting tools, grinding parts, and components that require to manage wear. They remain steady at extremely heats, which is why they function well in machines that cut or grind materials swiftly. They are additionally made use of in shutoffs, seals, and pumps in chemical plants because they do not respond with harsh chemicals.

In electronic devices, these ceramics function as insulators in circuit card and sensors. They help handle heat in devices like LED lights and power components. Their capacity to obstruct electrical energy makes them beneficial for shielding delicate parts from damage.

Clinical devices makes use of alumina porcelains for implants and tools. They are secure for the body and do not wear away. Hip replacements and dental implants made from this product last longer and work better. Surgical tools made with alumina ceramics stay sharp and clean during procedures.

The energy sector utilizes these porcelains partly for generators and solar panels. They handle high stress and anxiety and heat in power generation systems. Batteries and gas cells use alumina ceramics to separate parts and enhance performance.

Aerospace and defense markets rely upon these porcelains for shield and engine parts. They are light-weight however solid enough to safeguard versus bullets or severe problems. Sensing units and communication devices in satellites use alumina ceramics for dependable performance.

Automotive suppliers utilize them in spark plugs and sensing units. They improve engine efficiency and minimize emissions. Electric automobiles make use of these porcelains in battery systems to make certain safety and sturdiness.

These porcelains are also used in environmental technology, like filters for cleansing water or air. They trap pollutants without damaging down. Research laboratories utilize alumina ceramics for tools that needs precision and resistance to chemicals.

Company Introduction

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5 FAQs of High-quality 99.7% Al2o3 Alumina Ceramic Products

High-quality 99.7% Al2O3 alumina ceramic products are widely used in industrial applications. Here are answers to common questions. What is Al2O3 alumina ceramic? Al2O3 alumina ceramic is a material made mostly from aluminum oxide. It has high purity, 99.7%, meaning it contains minimal impurities. This makes it strong, resistant to wear, and suitable for demanding environments. Industries like electronics, medical devices, and machinery rely on it for its reliability.

What are the key features? The material handles extreme temperatures, up to 1600°C. It resists corrosion from acids and alkalis. Its hardness is close to diamonds, making it ideal for cutting tools or wear-resistant parts. It insulates electricity well, useful in electronic components. These properties ensure long-lasting performance in tough conditions.

Where is it commonly used? Applications include semiconductor manufacturing parts, medical implants, and protective tubes in high-temperature furnaces. It is used for seals, valves, and bearings in machinery. Electronics use it for substrates and insulators. Its biocompatibility makes it safe for medical uses like joint replacements.

How to handle and maintain it? Alumina ceramic is brittle. Avoid impacts or sudden temperature changes. Clean it with mild detergents. Do not use abrasive materials that might scratch the surface. Store it in dry conditions to prevent moisture absorption. Proper handling ensures it stays durable over time.

Can it be customized? Yes. Manufacturers shape it into rods, tubes, plates, or complex designs. Dimensions, surface finishes, and tolerances are adjustable. Customization meets specific needs like threading, holes, or coatings. Discuss requirements with suppliers to get the right product for your application.

These answers cover basic information about 99.7% Al2O3 alumina ceramics. The material’s versatility makes it valuable across industries. Always verify specifications with suppliers to ensure it fits your project.

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