The high aluminum porcelain ball is high density, high mechanical
strength. It has fine abrasion resistance. It can be used in machine,
electrons, space fleet industry. We also produce various pipes,
rings, bars, ridges , plates and parts.
The technical index of high aluminum porcelain ball
Chemical ingredients
|
Physical properties
|
ingredients
|
Value |
Item
|
Value |
Al2O3
|
80-95% |
specific gravity g/cm3
|
2.8-3.5 |
SiO2
|
3-17% |
specific heat cal/g 
|
0.17-0.20 |
MgO
|
0.5% |
compressive strength
|
>1500 |
Fe2O3
|
0.3% |
hardness
|
 7 |
CaO
|
0.2% |
abrasion ( % )
|
0.05 |
Na2O
|
0.1% |
water absorption ( % )
|
<1 |
SW activated porcelain ball properties
specifications
|
 1.5mm-50mm
|
model
|
SW-1 |
SW-2 |
SW-3 |
remarks
|
appearance
|
light brown
|
light yellow-white
|
light gray
|
if the dia >  19,
it should be tapped
|
tap density g/cm3
|
0.85  0.05 |
1.2  0.1 |
2.0  0.2 |
Al2O3 W/%
|
 85 |
 40 |
 40 |
activated content
|
NiO.MoO3 |
NiO.WO3 |
CoO.MoO3 |
compressive strength N/p
|
>60 |
>130-2500 |
>130-2500 |
SW activated porcelain ball catalytic properties
model |
SW-1 |
SW-2 |
SW-3 |
reaction temperature  |
275 |
300 |
300 |
320 |
350 |
300 |
320 |
350 |
hydrogen partial pressure MP |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
liquid airspeed h-1 |
1.0 |
10 |
4.2 |
4.2 |
4.2 |
4.2 |
4.2 |
4.2 |
hydrogen/oil ratio |
600 |
600 |
450 |
450 |
450 |
450 |
450 |
450 |
S W% |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
alkene W% |
27.5 |
27.5 |
27.5 |
27.5 |
27.5 |
27.5 |
27.5 |
27.5 |
desulfuration rate % |
76 |
 95 |
40 |
60 |
77 |
36 |
54 |
63 |
alkene saturated percent % |
58 |
95 |
10 |
33 |
45 |
7 |
19 |
42 |
Wearproof ball
It is high efficiency, low abrasion, high
pure, low current operation.
Wearproof ball technical index
Al2O3
|
55-65-95% |
specific gravity
|
2.7-2.8-3.7g/mm3 |
hardness
|
 8.5 |
compressive strength
|
 1690MPa |
water absorption
|
 0.2% |
abrasion
|
0.05% |
|