Product Description
The 99% Al2O3 alumina ceramic ball are used as catalyst, absorbent, desiccant and drying agent in petroleum, chemical, fertilizer, natural gas and environmental protection industries. As a high alumina ceramic ball catalyst reactor coverage tower packing materials and support, the major role is to increase distribution of gas or liquid, support and protect the intensity of low strength activity catalyst.
Chemical composition of the high alumina ceramic ball:
|
Al2O3+SiO2
|
Al2O3
|
Fe2O3
|
MgO
|
Na2O
|
Other
|
|
> 99%
|
99%
|
<0.1%
|
<0.5%
|
<0.05%
|
<0.05%
|
Physical property of the high alumina ceramic ball:
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Item
|
Value
|
|
Water absorption (%)
|
<1
|
|
Bulk density (g/cm3)
|
1.9-2.2
|
|
Specific gravity (g/cm3)
|
>3.6
|
|
Operation temp.(max) (°C)
|
1650
|
|
Moh’s hardness (scale)
|
>7.5
|
Size available & Crush strength of the high alumina ceramic ball:
|
Size
|
Crush strength
|
|
Kg/particle
|
KN/particle
|
|
1/8" (3mm)
|
>203
|
>2
|
|
1/4" (6mm)
|
>459
|
>4.6
|
|
1/2" (13mm)
|
>877
|
>8.7
|
|
3/4" (19mm)
|
>1220
|
>12
|
|
1" (25mm)
|
>1630
|
>16
|
|
1-1/2" (38mm)
|
>2340
|
>23
|
|
2" (50mm)
|
>3460
|
>34
|
Alumina Wear-resistant alumina ball:
Our wear-resistant alumina ball is a high-quality grinding medium made of selected high grade materials, advanced molding technology and calcined in high-temperature tunnel kiln.Possessed with high density, high hardness, low wear, good seismic stability and good corrosion resistance,the products are the most ideal medium for grinding glaze, blank and mineral power processing, and are used as the grinding medium of ball mill in ceramics, cement, paint, refractory, inorganic mineral power and other industrials.
General Specifications(mm):
|
Pressed ball
|
Ø30,Ø40,Ø50,Ø60,Ø70,Ø80,Ø90,Ø100, Ø110,Ø120
|
|
Rolled ball
|
Ø0.5,Ø1.0,Ø2,Ø3,Ø6,Ø8,Ø10,Ø13,Ø20,Ø30,Ø40,Ø50,Ø60,Ø70
|
|
Cylindrical ball
|
Ø20X20,Ø25X25,Ø30X30,Ø40X40,Ø50X50,Ø60X60
|
Typical Characteristics of Wear-resisting Alumina Grinding Media:
|
Item
|
92% AL2O3
|
75% AL2O3
|
65% AL2O3
|
|
AL2O3(%)
|
92
|
75
|
65
|
|
Bulk Density(g/cm3)
|
3.60
|
3.26
|
2.90
|
|
Water Absorption (%)
|
<0.01
|
0
|
<0.01
|
|
Wear Loss(‰)
|
≤0.2
|
≤0.25
|
≤0.5
|
|
Hardness(Mohs)
|
9
|
8
|
7~8
|
|
Color
|
White
|
White
|
Light Yellow
|
|
Application
|
Glaze or Tile body Milling
|
Glaze Milling
|
Glaze or Tile body Milling
|
|
Raw Material
|
Calcined Alumina
|
Calcined Alumina
|
Refined Bauxite Power
|
|
Forming Method
|
CIP
|
CIP
|
CIP
|
