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50mm 92% Al2O3 High Alumina Ceramic Grinding Bead for Ball Mill

50mm 92% Al2O3 High Alumina Ceramic Grinding Bead for Ball Mill

Alumina ball AL2O3 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, 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

  

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 %	≤0.001	≤0.001
Mon’s hardness	9	9
Crush strength Mpa	2000min	2200min
Color	white	white
Abrasion loss ‰	≤0.15	≤0.1

 

Size(mm)

0.5	1.0	2.0	3.0	4.0	5.0
6.0	8.0	10.0	13.0	15.0	20.0
25.0	30.0	35.0	40.0	50.0	60.0
70.0	80.0

 

Application

1.Mainly used in ceramic, glaze, paint, zirconia silicate, aluminum oxide, quartz, silicon carbide, talc, lime carbonate, kaolin, titanium and other materials grinding, and mechanical equipment accessories.

2. Metallic minerals like copper, silver, nickel, gold, Zinc etc.

3. Non-metallic minerals like Calcium Carbonate, kaolin clay, zirconium silicate, TiO2 and other minerals.

4. White pigments, coatings, paints, inks etc.

5. Recommend to be used in stirred mill and ball mill.

 

 

Making process of alumina ball

1. Raw materials purchasing

2. Refine into required powder

3. Spry drying

4. heating

5. mould by isostatic  press machine or rolling by rolling machine for shaping

6. drying

7. heating in furnace for 48 hrs, 105m(tunnel kiln)

8. final product selection

9. Quality control check

10. delivered into warehouse, packing, waiting for delivery note