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Introduction to Aluminum Oxide Micro Grinding Media High-Alumina Ceramic Ball for Grinding
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 Aluminum Oxide Micro Grinding Media High-Alumina Ceramic Ball for Grinding
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.

(Aluminum Oxide Micro Grinding Media High-Alumina Ceramic Ball for Grinding)
Specifications of Aluminum Oxide Micro Grinding Media High-Alumina Ceramic Ball for Grinding
These aluminum oxide micro grinding media balls are high-purity ceramic spheres designed for tough grinding jobs. They are made from over 99% alumina. This makes them incredibly hard and dense. They are workhorses for grinding down materials finely and efficiently. Their hardness measures over Hv 1500. This extreme hardness means they resist wearing down much longer than other grinding media. You get consistent performance over many hours of operation. Their density is high, around 3.7 g/cm³. This weight gives them strong impact force during grinding. It helps break apart particles effectively.
These balls come in many small sizes. Common diameters range from 0.5 mm up to 40 mm. This lets you choose the perfect size for your specific milling machine and the material you need to grind. The small sizes are excellent for grinding materials into very fine powders. They produce narrow particle size distributions. This is important for quality control.
A key benefit is their low contamination. They shed very little material themselves during grinding. This keeps your final product pure. It avoids introducing unwanted elements. This is vital for industries needing high-purity materials. Think electronics, pharmaceuticals, and advanced ceramics. They also resist chemicals well. Acids and bases don’t damage them easily. This makes them suitable for wet grinding with various chemicals. They handle high temperatures too. Thermal shock won’t crack them easily.
These alumina balls are used widely. They grind materials in ball mills and attritors. Industries rely on them for processing paints, inks, dyes, ceramics, minerals, and chemicals. They are tough little spheres built for demanding industrial grinding tasks. They deliver fine results reliably.

(Aluminum Oxide Micro Grinding Media High-Alumina Ceramic Ball for Grinding)
Applications of Aluminum Oxide Micro Grinding Media High-Alumina Ceramic Ball for Grinding
These tiny aluminum oxide ceramic balls are super hard grinding tools. They crush materials into fine powders. They are made from high-purity alumina. This gives them exceptional strength and resistance to wearing down. They last much longer than other grinding options. This saves money over time.
These micro beads are perfect for grinding sensitive stuff. They are vital in making medicines. Pharmaceutical companies use them to grind active ingredients very finely. The balls are chemically inert. This means they won’t contaminate the medicine. Purity is critical there. The surface finish they give is also incredibly smooth. This matches the high standards needed for drugs.
The electronics industry relies on them too. They grind materials for things like batteries and circuit boards. Getting an ultra-fine, consistent particle size is essential for performance. These balls deliver that precision. They also grind pigments and dyes for paints and inks. They produce vibrant, stable colors. The beads don’t chip or crack easily. This keeps the ground material pure.
Industrial mineral processing uses these alumina balls extensively. They grind minerals like calcium carbonate or quartz. Their toughness handles hard materials well. They minimize wear debris. This keeps the final product cleaner. Their consistent size and density ensure efficient grinding. Less energy is needed. They are a cost-effective solution for large-scale operations.
Company Introduction
Advanced Ceramics founded on October 17, 2014, is a high-tech enterprise committed to the research and development, production, processing, sales and technical services of ceramic relative materials and products.. Since its establishment in 2014, 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 Silicon carbide ceramic products, Boron Carbide Ceramic Products, Boron Nitride Ceramic Products, Silicon Carbide Ceramic Products, Silicon Nitride Ceramic Products, Zirconium Dioxide Ceramic Products, Quartz Products, etc. Please feel free to contact us.

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 Micro Grinding Media High-Alumina Ceramic Ball for Grinding
Customers often ask about our aluminum oxide micro grinding media. These high-alumina ceramic balls are tough. They grind materials very finely. Here are five common questions.
What exactly is this grinding media? It’s small ceramic balls made mostly from aluminum oxide. This material is very hard. It resists wear exceptionally well. This makes it perfect for grinding jobs needing fine particles. The balls come in sizes from under 1mm to several millimeters.
Why choose alumina ceramic balls over other types? They last much longer than steel or glass beads. This saves money over time. They also grind more efficiently. They produce less heat during grinding. This protects sensitive materials. They won’t introduce metal contamination. This keeps your product pure.
What sizes are available? We offer many sizes. Common micro-grinding sizes are 0.3mm, 0.5mm, 0.8mm, 1mm, 1.5mm, 2mm, and 3mm. Larger sizes exist for different tasks. The right size depends on your material and the fineness you need. We help you pick the best size.
Where are these grinding balls typically used? They work in many industries. Paint and ink makers use them for smooth pigments. Ceramics producers grind raw materials. Electronics companies need them for fine powders. Pharmaceutical firms use them for pure ingredients. Anywhere fine, contamination-free grinding is needed, these balls perform.
How do they save money? Their extreme hardness means they wear down slowly. You replace them less often. They grind efficiently. This reduces energy costs. Less wear means less debris in your product. This improves quality. Fewer replacements mean less downtime. These factors lower your total grinding cost significantly.

(Aluminum Oxide Micro Grinding Media High-Alumina Ceramic Ball for Grinding)
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