Specifications

High Alumina Grinding Ball
Al2O3(%):92%-95%
High wear-resistance
High density

High Alumina Grinding Ball  

 

With high quality raw materials, middle alumina ceramic ball is produced with the following technology: advanced spray drying technology, dry type full automatic iso-static pressure process and high temperature roller kiln sintering technology.

 

Usage:

The sizes of our products are divided into 30mm,40mm,50mm and 60mm. This series is widely used in ceramic industry for grinding materials, especially in architectural pottery and fine chemcial industry for ball-milling glaze and raw materials.

 

Advantages: 

Compared with natural stone balls and normal ceramic balls, alumina grinding ball increases by 20-40 times in its performance of wear resistance. Its grinding efficiency improves by 40%-60% and ball mill efficiency add by 30%-40%. Their total costs only take 40-60 percent of that of natural stone balls.

 

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

 

Appearance Demand

	High Alumina Grinding Balls	Medium Alumina Grinding Balls	Carbonized Alumina Grinding Balls
Color	White	White	Ash-black
Crack	Not Permission	Not Permission	Not Permission
Impurity	Not Permission	Not Permission	Not Permission
Foam hole	Above 1mm not permission, size in 0.5mm permit 3 balls
Flaw	Max. size in 0.3mm permit 3 balls

 

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