Aokai delivers exceptional filter media solutions engineered to meet the rigorous demands of abrasive, corrosive, high-temperature, and explosive dust filtration. Our expertise shines in dust collection for challenging industries including asphalt mixing, chemicals, cement, metals, power generation, waste-to-energy, renewable energy, woodworking, and a myriad of other industrial sectors.
Selecting the optimal filter media tailored to your specific needs enhances the efficiency and durability of your dust filtration system, ensuring peak performance and longevity.
| 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 |
Each type of fiber endows the filter media with unique dust filtration properties. Advanced treatments further elevate filtration efficiency and performance, offering benefits like extended filter media lifespan, superior dust cake release, minimized valve pulsing, consistent airflow, lowered differential pressure, and reduced maintenance downtime.
| 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 at 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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