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1. Alumina grinding ball(Microcrystalline wear resistance and corrosion resistance alumina ball) Isostatic pression and rolling procession.
As grinding media, this products are widely used in the field of ceramics , cement, painting, chemical industry, medicine and dope. It has the following advantages: high hardness, high density, anti-erosion , and regular appearance
¡ö Main Function Index
|
70 Series |
85 Series |
90 Series |
92 Series |
Alumina contain (%) |
68 ¡« 70 |
¡Ý85 |
¡Ý90 |
¡Ý92 |
Water absorption(%) |
¡Ü0.02 |
¡Ü0.02 |
¡Ü0.01 |
¡Ü0.01 |
Bulk density g/cm 3 |
¡Ý2.9 |
¡Ý3.4 |
¡Ý3.6 |
¡Ý3.6 |
Wear Resistance % |
|
¡Ü0.03 |
¡Ü0.02 |
¡Ü0.12 |
Hardness |
8 ¡« 8.5 |
9 |
9 |
9 |
Color |
White |
White |
White |
White |
Specifications (mm) |
¦Õ25 ¡À2 , ¦Õ30 ¡À2, ¦Õ40 ¡À2.5, ¦Õ45 ¡À2.5, ¦Õ50 ¡À2.5, ¦Õ60 ¡À2.5, ¦Õ70 ¡À3, ¦Õ80 ¡À3 till ¦Õ100 |
¡ö Alumina Micro Bead ¡À
Besides the above mentioned specifications, we also supply the Alumina Grinding Ball with diameter 0.5mm, 1+/-0.2mm to 20+/-1.5mm and wear resistance coefficient from ¡Ü0.30 to ¡Ü0.12 ,these types are used in grinding Electronic , Biological ceramic and Crystal material. Following is the main function index:
Item |
Alumina contain % |
Bulk density g/cm 3 |
Hardness |
Water contain % |
Anti-compression Degree kg/m 3 |
Index |
90 |
¡Ý3.55 |
9.5 |
0 |
> 24000 |
2. Alumina lining brick (Microcrystalline wear resistance and corrosion resistance alumina brick)
properties
Item |
Unit |
Properties |
Al 2 O 3 |
% |
¡Ý90 |
Fe 2 O 3 |
% |
¡Ü0.2 |
Bulk Density |
g/cm 3 |
¡Ý3.52 |
Water Absorption |
% |
¡Ü0.0-2 |
Hardness |
|
9 |
Sizes of Alumina lining brick
Size |
Specification (mm) |
Length(L) |
Width(W1) |
Width(W2) |
Height (h) |
H40 non-tapered (rectangle) |
120 |
45 |
40 |
H50 non-tapered (rectangle) |
150 |
50 |
50 |
H60 non-tapered (rectangle) |
150 |
50 |
60 |
H70 non-tapered (rectangle) |
150 |
50 |
70 |
H40 tapered (trapezoid) |
120 |
45 |
40 |
40 |
H50 tapered (trapezoid) |
150 |
50 |
45 |
50 |
H60 tapered (trapezoid) |
150 |
50 |
45 |
60 |
H70 tapered (trapezoid) |
150 |
50 |
45 |
70 |
Other size accoring to the actual specification of mill including half brick and flake(Size: 10*10*3 ¡« 6mm ¡¢ 17.5*17.5*3 ¡« 7mm ¡¢ 20*20*4 ¡« 7mm ¡¢ 25*25*10mm , Al 2 O 3 ¡Ý90%, Bulk Density¡Ý3.5 g/cm 3 )
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