OEM/ODM Manufacturer Grinding Balls - Inert Middle Alumina Balls – Catalyst Support Media – Kelley
OEM/ODM Manufacturer Grinding Balls - Inert Middle Alumina Balls – Catalyst Support Media – Kelley Detail:
Application
They are widely used in many fields, including petroleum, chemical engineering, fertilizer production, natural gas and environmental protection. They are used as covering and supporting materials of catalysts in reaction vessels and as packing in towers.
Chemical Composition
| Al2O3+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O +CaO | Others |
| > 93% | 45-50% | <1% | <0.5% | <4% | <1% |
Physical Properties
|
Item |
Value |
|
Water absorption (%) |
<2 |
|
Bulk density (g/cm3) |
1.4-1.5 |
|
Specific gravity (g/cm3) |
2.4-2.6 |
|
Free volume (%) |
40 |
|
Operation temp.(max) (℃) |
1200 |
|
Moh’s hardness (scale) |
>7 |
|
Acid resistance (%) |
>99.6 |
|
Alkali resistance (%) |
>85 |
Crush Strength
|
Size |
Crush strength |
|
|
Kgf/particle |
KN/particle |
|
|
1/8”(3mm) |
>25 |
>0.25 |
|
1/4”(6mm) |
>60 |
>0.60 |
|
3/8”(10mm) |
>80 |
>0.80 |
|
1/2”(13mm) |
>230 |
>2.30 |
|
3/4”(19mm) |
>500 |
>5.0 |
|
1”(25mm) |
>700 |
>7.0 |
|
1-1/2”(38mm) |
>1000 |
>10.0 |
|
2”(50mm) |
>1300 |
>13.0 |
Size and Tolerance (mm)
|
Size |
3/6/9 |
9/13 |
19/25/38 |
50 |
|
Tolerance |
±1.0 |
±1.5 |
±2 |
±2.5 |
Product detail pictures:



Related Product Guide:
We have state-of-the-art equipment. Our products are exported for the USA, the UK and so on, enjoying a fantastic status among the clients for OEM/ODM Manufacturer Grinding Balls - Inert Middle Alumina Balls – Catalyst Support Media – Kelley, The product will supply to all over the world, such as: Mozambique, Rwanda, Canada, Since always, we adhering to the "open and fair, share to get, the pursuit of excellence, and creation of value"values, adhere to the"integrity and efficient, trade-oriented, best way , best valve" business philosophy. Together with our all over the world have branches and partners to develop new business areas, maximum common values. We sincerely welcome and together we share in global resources, opening up new career together with the chapter.
Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.




