What Are High-Temperature Filter Bag?
At Jiangsu Aokai Environmental Technology Co., Ltd., a High-Temperature Filter Bag refers to a heat-resistant industrial filter bag used in baghouse dust collectors for working conditions above 160°C, mainly applied in cement, steel, power, waste incineration, chemical, and asphalt industries.
How to Choose the Right Material for High-Temperature Filter Bags
Nomex(Aramid) Filter Bags
Continuous：204°C (399°F)
Peak Max:240°C (464°F)
Cement kilns, hot mix asphalt manufacturing, metallurgical dust collector, and chemical production furnaces.
PTFE Filter Bag
Continuous：240°C (464°F)
Peak Max:260°C (500F)
Chemical incineration plants, waste-to-energy facilities, coal power generation, and highly volatile acid gas flues.
PPS Filter Bag
Continuous：160°C (320°F)
Peak Max:190°C (374F)
Coal-fired industrial power plant flues, high-moisture biomass boilers, and dry waste flue gas purification.
P84 (Polyimide) Filter Bag
Continuous：240°C (464°F)
Peak Max:260°C (500F)
Waste incinerators, cement production kilns, smelting blast furnaces, and asphalt batching exhaust systems.
FMS Filter Bag
Continuous：240°C (464°F)
Peak Max:260°C (500F)
Iron & steel smelting blast furnaces, calcium carbide furnaces, rotary cement kilns, and silicon power structures.
GlassFiber Filter Bag
Continuous：260°C (500°F)
Peak Max:280°C (536°F)
High-temperature dry flue gas systems, cement production pre-heaters, and non-ferrous metal smelting baghouses.
Applications of High-Temperature Filter Bags
Steel and Metallurgy
Cement & Building Materials
Power Plants and Boilers
Waste Incineration
Chemical & Mining
Asphalt Mixing Plants
High-Temperature Filter Bag Material Technical Comparison Table
| Filter Media | Continuous Operating Temperature | Peak Temperature | Chemical Resistance | Abrasion Resistance | Moisture / Hydrolysis Resistance | Typical Applications |
|---|---|---|---|---|---|---|
| PPS | 160°C | 190°C | Good resistance to acid and alkali gases | Medium | Good | Coal-fired boilers, power plants, biomass boilers, general high-temperature flue gas |
| PTFE | 240°C | 260°C | Excellent resistance to strong acids, alkalis, and corrosive gases | Medium | Excellent | Waste incineration, chemical plants, corrosive flue gas, high-purity filtration |
| P84 / Polyimide | 240°C | 260°C | Good acid resistance | Medium | Medium | Cement kilns, waste incineration, high-dust concentration applications |
| Fiberglass | 240°C | 260°C | Good, usually requires surface treatment in corrosive conditions | Medium to High | Low to Medium | Cement plants, asphalt mixing plants, high-temperature flue gas filtration |
| Aramid / Nomex | 200°C | 220°C | Moderate, not suitable for strong acid or high-humidity conditions | High | Low | Asphalt plants, non-ferrous metal processing, dry high-temperature dust collection |
| Composite / Blended Media | Customized | Customized | Customized | Customized | Customized | Special working conditions requiring heat resistance, corrosion resistance, anti-abrasion, or membrane treatment |
Why Trust Us as Your Filter Bag Manufacturer?
Superior Thermal Stability
Our premium high-temperature-filter-bags maintain structural integrity and tensile strength under continuous operating temperatures of up to 260°C and surges up to 280°C.
Outstanding Chemical Resistance
Every bag engineered by our dedicated team of experts at our filter bag manufacturer facility features a specialized treatment to resist acids, alkalis, and hydrolysis.
Tailored Specifications
As a professional B2B filter bag manufacturer, we construct bags of all sizes—ranging from snap bands and raw edges to collar tops, matching any major baghouse.
HELP & SUPPORT
FAQs About High-Temperature Filter Bag
The best material depends on operating temperature, gas composition, humidity, chemical exposure, dust characteristics, and emission standards. Common materials for high-temperature filter bags include PPS, PTFE, P84, fiberglass, and aramid. An experienced filter bag manufacturer can help determine the most suitable media for your application.
The service life of high-temperature filter bags varies according to temperature conditions, dust loading, chemical corrosion, cleaning cycles, and maintenance practices. Under proper operating conditions, high-quality filter bags can provide reliable performance for several years. A professional filter bag manufacturer can evaluate your system and recommend the best solution to maximize bag life.
Yes. As a professional filter bag manufacturer, Aokai provides customized high-temperature filter bag solutions based on material selection, diameter, length, top and bottom configurations, surface treatments, membrane lamination, and sewing methods to fit different baghouse dust collectors.
When selecting a filter bag manufacturer, consider industry experience, product quality, material sourcing, customization capabilities, quality control procedures, technical support, and successful project references. A reliable filter bag manufacturer should be able to recommend the right high-temperature filter bag for your specific operating conditions.
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