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China Wholesale Ceramic Ball Filter Media Factories Pricelist – Alumina Grinding Ball used in ball mill – Zhongtai Detail:
Technical Specification of Grinding Ball
|
Product
|
Al2O3 %
|
Bulk density g/cm2
|
Water absorption
|
Mohs hardness scale
|
Abrasion loss %
|
Color
|
|
High alumina grinding balls
|
92
|
3.65
|
0.01
|
9
|
0.011
|
White
|
|
Medium alumina grinding balls
|
65-70
|
2.93
|
0.01
|
8
|
0.01
|
Yellow-White
|
|
Appearance demand
|
|
High alumina grinding balls
|
Medium alumina grinding balls
|
|
Crack
|
Not permission
|
Not permission
|
|
Impurity
|
Not permission
|
Not permission
|
|
Foam hole
|
Above 1mm not permission, size in 0.5mm permit 3 balls.
|
|
Flaw
|
Max. size in 0.3mm permit 3 balls.
|
|
Advantage
|
a) High alumina content
b) High density
c) High hardness
d) High wearing feature
|
|
Warranty
|
a) By national standard HG/T 3683.1-2000
b) Offer lifetime consultation on problems occurred
|
TYPE1:
Typical chemical compositions:
|
Items
|
Proportion
|
Items
|
Proportion
|
|
Al2O3
|
65-70%
|
SiO2
|
30-15
|
|
Fe2O3
|
0.41
|
MgO
|
0.10
|
|
CaO
|
0.16
|
TiO2
|
1.71
|
|
K2O
|
4.11
|
Na2O
|
0.57
|
Products size data:
|
Spec.(mm)
|
Volume(cm3)
|
Weight(g/pc)
|
|
Φ30
|
14 ± 1.5
|
43 ± 2
|
|
Φ40
|
25 ± 1.5
|
100 ± 2
|
|
Φ50
|
39 ± 2
|
193 ± 2
|
|
Φ60
|
58 ± 2
|
335 ± 2
|
TYPE 2:
Typical chemical compositions:
|
Items
|
Proportion
|
Items
|
Proportion
|
|
Al2O3
|
≥92%
|
SiO2
|
3.81%
|
|
Fe2O3
|
0.06%
|
MgO
|
0.80%
|
|
CaO
|
1.09%
|
TiO2
|
0.02%
|
|
K2O
|
0.08%
|
Na2O
|
0.56%
|
Specific properties:
|
Spec.(mm)
|
Volume(cm3)
|
Weight(g/pc)
|
|
Φ30
|
14 ± 1.5
|
43 ± 2
|
|
Φ40
|
25 ± 1.5
|
126 ± 2
|
|
Φ50
|
39 ± 2
|
242 ± 2
|
|
Φ60
|
58 ± 2
|
407 ± 2
|
Product detail pictures:
Related Product Guide:
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