68%alumina ceramic grind ball

Characteristics: The products are featured by high hardness,low wear lost,good normalization,good corrosion resistance,etc.

They are the ideal high-efficiency grinding media for glaze,body materials,chemical powder and fine mineral powders etc.

Technical data:

Items	SS-AB-70
Al2O3( % )	66%--70%
Specific Gravity g/cm3	2.95~3.02
(Mohs Scale)Hardness	8.5
Compression Strength MPa	≥1700
Color	yellowish
Equivalent Wear Loss	≤0.18‰

Size	Tolerance
φ30mm----φ40mm	+1.8mm
φ50mm-----φ60 mm	+2.0mm
φ70mm-----φ80mm	+3.0 mm

Application

The medium alumina grinding ball is widely used in the industry of ceramics, petroleum, fine chemical engineering, building materials, metallurgy, machinery, electronics etc. It is the grinding medium with high cost performance in the present market because of its advantage of high hardness, high density, good high-temperature behavior, high mechanical strength, good abrasive resistance and non-pollution etc.