|
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
■ Main Function Index
|
70 Series |
85 Series |
90 Series |
92 Series |
Alumina contain (%) |
68 ～ 70 |
≥85 |
≥90 |
≥92 |
Water absorption(%) |
≤0.02 |
≤0.02 |
≤0.01 |
≤0.01 |
Bulk density g/cm 3 |
≥2.9 |
≥3.4 |
≥3.6 |
≥3.6 |
Wear Resistance % |
|
≤0.03 |
≤0.02 |
≤0.12 |
Hardness |
8 ～ 8.5 |
9 |
9 |
9 |
Color |
White |
White |
White |
White |
Specifications (mm) |
φ25 ±2 , φ30 ±2, φ40 ±2.5, φ45 ±2.5, φ50 ±2.5, φ60 ±2.5, φ70 ±3, φ80 ±3 till φ100 |
■ Alumina Micro Bead ±
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 ≤0.30 to ≤0.12 ,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 |
≥3.55 |
9.5 |
0 |
> 24000 |
2. Alumina lining brick (Microcrystalline wear resistance and corrosion resistance alumina brick)
properties
Item |
Unit |
Properties |
Al 2 O 3 |
% |
≥90 |
Fe 2 O 3 |
% |
≤0.2 |
Bulk Density |
g/cm 3 |
≥3.52 |
Water Absorption |
% |
≤0.0-2 |
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 ≥90%, Bulk Density≥3.5 g/cm 3 )
|
