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alumina grinding ball

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Alumina grinding ball is one ideal ball mill grinding media it can improve grinding efficiency and keep no contamination to your product! Alumina grinding ball are made of pure Alumina, with the characters of high density and hardness, low abrasion and water absorption, thence our product of grinding ball has long service life, the quality of our product is very excellent.it is widely used in ceramics, cement, glass, enamel, paint, oil paint, refractory materials, chemical and other industries. High alumina ball has many advantages e.g. high density, corrosion-resistance, high mechanical strength and great wear-resistance. It is an economical, widely-used and non-metallic grinding media.
Alumina grinding ball is mainly used in ceramic industry, pigment, glass, glaze, chemical industry and many other fields.
 
size: Φ15mm, Φ20mm, Φ25mm, Φ30mm, Φ40mm ,Φ50mm, Φ60mm, Φ70mm.

Alumina Grinding Balls Application:

1. Used in high speed stirred grinding mills;
2. Ball mills as abrasive media for ceramic raw materials;
3. Glaze materials in ceramic factories, cement factories, enamel factories;
4. Used in glass work, owing to the excellence of high density, high hardness, and high wear rate. During the abrasive/grinding processing, ceramic balls will not break up, they will not pollute the grinding material as well;
5. The mix and crush procedure of ceramics, glass, glaze and frits, chemical and plastic industries.

Advantage
High wear-resistance:
The alumina balls’ wear-resistance is higher than the common alumina balls’. When it is working, the ball won’t pollute the grinding materials, so it can keep the purity and improve the stability of grinded materials especially the ceramic glaze. 
 
High density
The high density, high hardness and the high grinding characters save the grinding time, enlarge the smashing room. So it can improve the grinding efficiency. 

alumina grinding ball Typical Characteristics

Product

Al2O3(%)

Bulk density(g/cm3)

Water absorption(%)

Moh’s Hardness(scale)

Abrasion loss(%)

High Alumina Grinding Balls

92

3.65

<0.01

9

0.011

95

3.68

<0.005

9

0.0084

Medium Alumina Grinding Balls

65-75

2.93

<0.01

8

<0.01

Carbonized Alumina Grinding Balls

60-70

2.8-2.9

<0.05

8

<0.08


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