High Efficiency Al2O3 Beads 23%-25% Inert Alumina Ceramic Balls
Production Introduction
The AL-23 Ceramic Ball shows an excellent capacity in strength, chemical stability and thermal stability. It also has a good resistance to high temperature, high pressure, acid, alkali and various organic solutions. The alumina ball has been most often used as catalyst support in petroleum, chemical fiber plant, aromatic factory, catalytic reforming unit, fertilizers, natural gas, environmental protection and more.
Typical Application: Be mainly used in the petroleum, chemical industry, fertilizers,natural gas, environmental protection and other industries. It plays a role of supporting and compacting the packing of the tower.
Warranty: By National Standard HG/T 3683.1-2014 .
Free consultation during the warranty period.
Normal Package: 25KG/Plastic bag;1300KG/Super sack. Steel drum.
| Model |
17%-19%Ordinary Ceramic Ball |
| Color |
Light gray |
| Shape |
Ball |
| Chemical composition |
|
Min. % |
Max. % |
Usual % |
| Al2O3 |
17 |
19 |
18 |
| SiO2 |
70 |
77 |
74.9 |
| Al2O3 + SiO2 |
90 |
94 |
93 |
| Fe2O3 |
/ |
1.0 |
0.9 |
| TiO2 |
/ |
0.5 |
0.46 |
| CaO |
/ |
0.5 |
0.42 |
| MgO |
/ |
0.5 |
0.38 |
| Na2O |
/ |
2 |
1.12 |
| K2O |
/ |
3.5 |
3.28 |
| Physical properties |
Leachable Iron (%) |
≤0.1 |
| Apparent Porosity by Weight (%) |
D≥10mm |
≤0.4 |
| D=6mm |
≤1.0 |
| D=3mm |
≤3.0 |
| Water absorption (wt.%) |
<0.5 |
| Acid resistance (%) |
>99.8 |
| Alkaline resistance (%) |
>85 |
| Bulk Density |
(g/cm3) |
1.35 |
| (lb/ft3) |
84 |
| Specific density |
(kg/m3) |
2300 |
| (lb/ft3) |
144 |
| Moh’s hardness (scale) |
>6.5 |
| Thermal conductivity (w/m2.k) |
0.9-1.0 |
| Specific heat (J/kg.℃) |
628-837 |
| Max. Operating Temperature |
(℃) |
1050 |
| (℉) |
1922 |
| Thermal expansion (%) (500℃) |
0.20 |
|
Thermal Shock Stability (times)
(500 ℃ then water cooling)
|
10 |
| Geometric properties |
Nominal Size |
(mm) |
3 |
6 |
10 |
13 |
16 |
19 |
25 |
38 |
50 |
| (inch) |
1/8 |
1/4 |
3/8 |
1/2 |
5/8 |
3/4 |
1 |
1.5 |
2 |
| Crush Strength Min. |
(lbs) |
77 |
176 |
234 |
572 |
726 |
1672 |
1870 |
2090 |
3476 |
| (kg) |
35 |
80 |
106 |
260 |
330 |
760 |
850 |
950 |
1580 |
| (N/PC) |
343 |
784 |
1039 |
2548 |
3234 |
7448 |
8330 |
9310 |
15484 |
Packing and delivery:
Packing of Insulating brick: Standard export wooden pallet with cardboard.
Shipping of Insulating brick: By vessel or by train from any Chinese port,
Samples can be delivered by International express.
FAQ
1.Q: What is the size in your products?
A: Our common size is 0.5mm-90mm. We can also produce according to your request.
2.Q: Can you accept small quantity sample order before production?
A: Yes, we can offer sample for your testing first before production, but the customers have to pay the courier cost.
3.Q: What is your production time?
A: Generally, it will take 5 to 30 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
4.Q: What is your terms of payment?
A: T/T 30% as deposit, 70% balance against the copy of original B/L. Or 100% L/C at sight. We'll show you the photos of the products and the copy of original B/L before you pay the balance.
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