Alumina Grinding Balls
Alumina Grinding Balls
Alumina Grinding Balls
Alumina Grinding Balls
Alumina Grinding Balls

Alumina Grinding Balls

Alumina grinding balls refers to a ball stone widely used as a grinding medium, which is made from materials such as bauxite, roller powder, industrial aluminum oxide powder, and high-temperature calcined alpha aluminum oxide powder, and is processed through batching, grinding, powder making (slurry making, mud making), forming, drying, and firing.

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Description

Technical Parameters

IMG_8680________

Products Description

Alumina grinding ball is a high-performance ceramic grinding medium made of high-quality bauxite and high-purity alumina powder. By rolling or isostatic pressing and firing at 1400-1600 ° C, they have unparalleled hardness, low wear, and chemical inertness. Specially designed for ball mills, sand mills, and vibration mills, skilled in fine grinding, dispersion, and polishing. Unlike steel balls or natural pebbles, they avoid metal contamination, increase grinding efficiency by 20-40%, and extend service life. They come in sizes of 13-90mm and 92%/95% alumina grade, suitable for wet/dry grinding of ceramics, coatings, minerals, and electronic products.

Advantages

1. Low wear and long service life
The Mohs hardness reaches 9 and the wear amount is ≤ 0.01%. The service life is 10 times longer than steel balls and 25 times longer than pebbles, reducing the cost of medium replacement.
2. High purity and zero pollution
High alumina content can avoid leaching of iron/heavy metals. Ensure the whiteness and purity of ceramics, coatings, and electronic powders.
3. High density and efficient grinding
The bulk density of 3.65-3.68g/cm ³ can enhance the impact force. Improve grinding efficiency by 20-40% and shorten production cycle.
4. Excellent thermal and chemical stability
Resistant to 1000 ° C+high temperature and acid-base corrosion. Stable in humid/dry, high/low pH environments.
5. Low water absorption and no cracking
Water absorption rate ≤ 0.01%. Moisture proof, avoid wet abrasion and cracking.
6. Full size and grade customization
Size 13-90mm, 92%/95% alumina grade. Customizable size/formula.

Application

Alumina grinding balls are mainly used for precision processing and deep processing of thick and hard materials in different types of ceramics, enamels, glass, and chemical factories. They are the grinding medium for fine crushing equipment such as ball mills, can mills, and vibration mills. Their crushing and grinding efficiency and wear resistance are greatly better than ordinary ball stones or natural pebbles.
Non metallic mineral product powders (such as zirconium silicate, kaolin, heavy calcium carbonate, etc.) and materials grinding and dispersion in industries such as coatings and paints, as well as polishing of metal parts, are suitable for various types of grinding and polishing equipment.
High temperature resistant, can be used as a rolling ball under the push plate kiln; Fill and pour in rubber during construction to increase wear resistance.

Technical Data

Wet Grinding

Brand	HA-92	HA-92S	HA-95
AL2O3(%)	≥92	≥92	≥95
Bulk density(g/cm³)	≥3.65	≥3.68	≥3.68
Hardness(Mohs)	9	9	9
Wear Loss(%)	≤0.01	≤0.008	≤0.01
Water Absorption(%)	≤0.01	≤0.01	≤0.01
Color	White	White	White

Dry Grinding

Brand	HA-92	HA-95
AL2O3(%)	≥92	≥95
Bulk density(g/cm³)	≥3.60	≥3.65
Hardness(Mohs)	9	9
Wear Loss(%)	≤0.015	≤0.012
Water Absorption(%)	≤0.01	≤0.01
Color	White	White
Size	13-90mm
Size can be customized according to customer's requirement

FAQ

Q1: What packaging?

A1: Depending on the size of the cargo, the packaging is different. There are cartons, wooden boxes, and ton packages. According to customer needs or special requirements of the goods, choose the appropriate packaging

Q2: How long is the delivery period?

A2: Depending on the product, the delivery period is different. The customized products are generally about one month, and the conventional products are about 7-10 days

Q3: How to ensure the quality of the product?

A3: Use tabular alumina as an example. Before shipping, we will take pictures, take samples, and send them to the laboratory for physical testing. It is sent to third -party institutions for chemical testing to ensure product quality

If you are looking for efficient and pollution-free ceramic, coating or mineral grinding media, our HUAO alumina grinding balls are your ideal choice.

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