Alumina Microbeads by Rolling

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Specifications

alumina ceramic grinding media ball
Size:0.5-90mm
anti-impact and wear resistance
Specification:>95%
Used in ceramics

0.5-95mm wear resist alumina ceramic grinding media ball 95%(Moh's hardness>9)

Alumina ball for all sorts of ball mills, pearl mills, sand mills for the superfine grindings and dispersions of products with special quality requirements ,such as: Zircon sand, Silicon dioxide, Calcite(GCC),Magnetic bands coatings for audio and video tapes, paint, pigment,coatings,Ceramic glaze, Titanium dioxide and so on.

Main Advantage:

—High strength, Excellent wear resistance,20 times more than commonly ceramic ball of France or ceramic ball, keep the material high degree of purity.

—High density, high grinding efficiency, shortens 50% grinding times.

—Very good roundness, very smooth and shiny surface, long times of use.

Mechanical Properties:

Item	92 series High Alumina balls	95 series High Alumina balls
Al2O3 %	≥92	≥95
Fe2O3 %	≤0.2	≤0.15
Specific density g/cm3	≥3.60	≥3.65
Water absorption %	≤00.01	≤00.01
Mon’s hardness	9	9
Crush strength Mpa	2000min	2200min
Color	white	white
Abrasion loss ‰	≤0.15	≤0.1

Size:

0.5-95mm

Usage:

Ø0.5-3mm Grinding ball use in sand mill
Ø5-20mm Grinding ball use in mix mill and ball mill
OverØ20mm Grinding ball use in ball mill

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