Aluminum Other

Corundum grinding ball/ Alumina ball

    Diameter: 0.5mm-30mm

     


    Material: Alumina

Product Detail

Features:

1) The main component is high-quality alumina, with high purity, high strength, high hardness, high whiteness, low abrasion, and basically no effect on the quality of the grinding material.

2) The product adopts rolling and isostatic pressing, with a large specific gravity which can greatly improve the grinding efficiency, reduce the grinding time, and increase the effective capacity of the ball mill, thereby increasing the amount of grinding material added.

3) The product has low abrasion and can greatly extend the service life of the grinding body.

4) The product has a high mechanical strength, a long life cycle, good chemical stability, no chemical reactions with the material, high temperature resistance, etc. (Maximum heat resistance up to 1200 )

Physical and chemical index

 

Items

92 series

95 series

75 series

AL2O3%

92

95

75

Bulk density (g/cm3)

3.60

3.65

3.26

Water absorption (%)

0.02

0.01

0.02

Wear ()

0.02

0.025

0.02

Moh's hardness

9

9

9

Applications:


A. Mainly used in different types of ceramic, enamel, glass, thick hard material of chemical plant finishing and deep processing. It is a grinding medium for fine-grinding equipment such as ball mills, jar mills and vibratory mills. Wear resistance is much better than ordinary ball stone or natural pebbles.


B. Non-metallic mineral powders (such as zirconium silicate, kaolin, heavy calcium carbonate, etc.) and coatings, paints and other industries grinding and dispersing materials and the use of metal polishing, suitable for all types of grinding and polishing equipment.


C. Filling in the rubber when pouring can increase the wear coefficient


D. High temperature resistant, can be used as the ball which under the pushed slab kiln


E. High strength, high hardness can be used for polishing

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