Aokai provides unparalleled filter media solutions tailored for abrasive, corrosive, high-temperature, and explosive dust filtration needs. We excel in optimizing dust collection processes across a multitude of industries, including asphalt mixing, chemical processing, cement manufacturing, metal refining, power generation, waste-to-energy, renewable energy, woodworking, and many other high-demand sectors.
Selecting the ideal filter media with the specific characteristics suited for your unique application is crucial. This choice not only enhances the performance but also significantly extends the lifespan of your dust filtration system, ensuring optimal operational efficiency.
| Fibre types |
Weight |
Continuous temperature |
Peak Temperature |
| PE |
450-600 |
130ºC |
150ºC |
| PAC |
500-550 |
125ºC |
150ºC |
| PPS |
500-650 |
160ºC |
190ºC |
| Aramid |
400-600 |
204ºC |
250ºC |
| PTFE |
750-800 |
240ºC |
260ºC |
| P84 |
500-550 |
240ºC |
260ºC |
| GL |
750-900 |
240ºC |
260ºC |
The unique properties of different fibers grant each filter media distinct dust filtration features. Advanced treatments can further elevate their performance, delivering benefits such as extended life cycles, improved dust cake release, minimized valve pulsing, consistent airflow, lower differential pressure, and reduced downtime and maintenance costs.
| Typical Dust Properties with the Appropriate Surface Finishes |
Singe |
Calendar |
Silicone |
Hydrophobic Oleo phobic |
Chemical Protection |
Dispersion |
Microfiber |
| Free Flowing |
☆ |
|
|
|
|
|
|
| Agglomerating |
|
☆ |
|
|
|
|
|
| Corrosive |
☆ |
|
☆ |
|
|
|
|
| Humid |
|
|
|
☆ |
☆ |
|
|
| Sticky |
|
☆ |
|
☆ |
☆ |
☆ |
|
| Acid / Alkaline |
|
|
|
|
|
☆ |
|
| Ultra fines |
|
|
|
|
|
|
☆ |
Filter Bag Types and Applications by Aokai Environtec
| Fiber Types |
Product Code |
Continuous Temperature |
Peak Temperature |
Application |
Remark |
|
| Polyester |
PE |
130ºC |
150ºC |
Applicable to mine, limestone, cement, iron and steel industries, alumina delivery, electrolytic aluminum, non-ferrous metal production, wood processing and pharmacy industry. |
Good resistance to oxidation, while limited resistance to acids and alkalis. Service life will be affected by hydrolysis at high temperature. |
| Polyacrylnitrile |
PAC |
125ºC |
150ºC |
Applicable to detergent, spray dryer, coal mill and power plant industries. |
Good resistance to hydrolysis. |
| Homo polymer |
| Polypropylene |
PPS |
160ºC |
190ºC |
Applicable to the working conditions with low-oxidation gas from coal-fired boiler, waste incineration, metal smelting, and chemical industries. |
Moderate resistance to oxidation, but excellent resistance to acids, alkali's and hydrolysis. |
|
| m-Aramide |
Nomex / Conex |
204ºC |
240ºC |
Applicable to asphalt, non-ferrous metal production, ceramic, glass industries , cement, and blast furnace in steel factories. |
Service life will be affected by hydrolysis at high temperature. |
| Polyimide |
PI / P84 |
240ºC |
260ºC |
Applicable to the working conditions with corrosive gas, such as chemical, metal smelting, waste incineration industries, cement kiln and coal-fired boiler. |
Excellent resistance to high peak temperature. |
| Polytetrafluoroethylene |
PTFE |
240ºC |
260ºC |
Applicable to the working conditions with high-corrosive gas, such as chemical, metal smelting, waste incineration industries, cement kiln and coal-fired boiler. |
Excellent resistance to all chemical influences. |
|
| Fiberglass |
GL |
240ºC |
260ºC |
Applicable to cement kiln filter, power plants, municipal waste incinerators. |
Excellent resistance to oxidation. |
| Sensitive to mechanical stress. |
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