Our P84 dust filter bags are high-performance industrial filtration products, crafted from premium polyimide (P84) fibers to deliver exceptional filtration precision and high-temperature resistance for the most demanding industrial dust collection scenarios. P84 fiber, a unique aromatic polyimide material, boasts inherent thermal stability and excellent dust-capturing capabilities, making our P84 dust filter bags the ideal choice for industries operating in high-temperature, high-dust, and semi-corrosive environments, such as cement production, steel smelting, waste incineration, and non-ferrous metal processing. Unlike ordinary polyester, PPS, or even Nomex filter bags, our P84 dust filter bags combine superior filtration efficiency, extended service life, and stable performance under extreme conditions, helping your facility comply with strict environmental emission standards while reducing maintenance costs and unplanned downtime. As a direct manufacturer, we adhere to strict quality control from raw material selection to production, ensuring every P84 dust filter bag meets international industrial standards and delivers consistent, reliable performance.
Parameter |
Specification |
Material |
100% Premium P84 Polyimide Fiber |
Continuous Operating Temperature |
Up to 260°C (500°F) |
Short-Term Peak Temperature |
Up to 280°C (536°F) |
Filtration Efficiency |
≥99.99% (for particles ≥0.1μm) |
Micron Rating |
0.1–100 microns (customizable) |
Basis Weight |
400–700 g/m² (customizable) |
Tensile Strength (Warp) |
≥950 N/5cm |
Tensile Strength (Weft) |
≥1200 N/5cm |
Chemical Resistance |
Resistant to weak acids, alkalis, and most organic solvents (pH 2–12) |
Service Life |
24–48 months (varies by operating conditions) |

P84 dust filter bags are engineered to solve the core pain points of industrial filtration in high-temperature environments: poor filtration precision of high-temperature filter bags and short service life of ordinary filter materials. Our P84 dust filter bags leverage the unique fiber structure of P84—irregular cross-section and high specific surface area—to capture fine dust particles efficiently, even in harsh working conditions. Unlike PTFE filter bags that are costly and less flexible, our P84 dust filter bags offer a perfect balance of performance and cost-effectiveness, making them suitable for medium-to-high temperature applications (up to 260°C) where filtration precision and durability are critical. Every P84 dust filter bag we produce is designed to withstand the rigors of industrial operations, from continuous high heat to abrasive dust, ensuring long-lasting filtration performance that outperforms competing products.
Core Advantages of Our P84 Dust Filter Bags
Our P84 dust filter bags stand out from competitors with their unique combination of high-temperature resistance, high filtration precision, and durability, making our P84 dust filter bags the preferred choice for businesses worldwide that require reliable filtration in extreme environments:
Exceptional High-Temperature Resistance
The most prominent advantage of our P84 dust filter bags is their outstanding high-temperature stability. Made from premium P84 polyimide fibers, our P84 dust filter bags can withstand continuous operating temperatures up to 260°C (500°F) and short-term peak temperatures up to 280°C (536°F), which is higher than PPS filter bags (190°C) and comparable to Nomex filter bags (204°C) while offering better filtration precision. Our P84 dust filter bags maintain their structural integrity and filtration performance even under prolonged exposure to high-heat flue gases, eliminating the risk of filter bag melting, shrinking, or degrading—critical for industries such as steel smelting, cement kilns, and waste incineration. This high-temperature resistance ensures our P84 dust filter bags have a longer service life in high-heat environments, reducing the frequency of replacements and maintenance costs.
Superior Filtration Precision & Efficiency
Our P84 dust filter bags feature an irregular cross-sectional fiber structure, which creates a dense, three-dimensional filtration network that effectively captures fine dust particles down to 0.1 microns. With a filtration efficiency of up to 99.99%, our P84 dust filter bags meet the strictest global emission standards (EU BAT, China GB 13271-2014, U.S. EPA), ensuring that particulate emissions are controlled below 10 mg/m³. Unlike ordinary filter bags that struggle to capture fine dust, our P84 dust filter bags maintain high filtration efficiency even with high dust loadings, thanks to their unique fiber structure that prevents dust penetration and ensures excellent dust release during pulse-jet cleaning. This high filtration precision helps your facility comply with environmental regulations and protect the health of your employees.
Excellent Mechanical Strength & Durability
We use high-quality P84 fibers with exceptional tensile strength (warp ≥ 950 N/5cm, weft ≥ 1200 N/5cm) to produce our P84 dust filter bags, ensuring they can withstand the rigors of industrial dust collection. Our P84 dust filter bags are resistant to tearing, bursting, and abrasion from coarse, abrasive dust particles, such as clinker dust in cement plants and metallic dust in steel mills. Additionally, our P84 dust filter bags undergo advanced needle-punching and heat-setting treatments, which reinforce the fiber structure and prevent fiber shedding, further extending their service life. With a service life of 24–48 months under typical operating conditions, our P84 dust filter bags are more durable than ordinary high-temperature filter bags, reducing maintenance labor and unplanned downtime.
Good Chemical Resistance & VersatilityOur P84 dust filter bags offer excellent resistance to weak acids, alkalis, and most organic solvents, making them suitable for semi-corrosive industrial environments. Unlike PPS filter bags that are sensitive to alkaline dust, our P84 dust filter bags maintain stable performance in pH ranges from 2 to 12, making them ideal for cement plants, waste incineration facilities, and chemical processing plants where corrosive dust or gases are present. This chemical resistance, combined with their high-temperature stability and filtration precision, makes our P84 dust filter bags versatile and suitable for a wide range of industrial applications, from high-temperature flue gas filtration to fine dust collection.
Cost-Effective & CustomizableCompared to high-cost PTFE filter bags, our P84 dust filter bags offer superior cost performance, providing high-temperature resistance and high filtration precision at a more competitive price. We optimize our production process to reduce costs while maintaining quality, allowing us to offer premium P84 dust filter bags at affordable prices. Additionally, our P84 dust filter bags are fully customizable to meet your specific needs, including basis weight (400–700 g/m²), micron rating (0.1–100 microns), custom sizes (length 1000–6000mm, diameter 120–200mm), and various top/bottom configurations (snap band, ring top, flat bottom). We can also adjust the surface treatment of our P84 dust filter bags, such as PTFE coating, to enhance dust release and chemical resistance, ensuring our P84 dust filter bags perfectly match your dust collection system.
Technical Parameters of Our P84 Dust Filter Bags
Applications & Why Choose Our P84 Dust Filter Bags
Our P84 dust filter bags are widely used in high-temperature industrial sectors, including cement production (kiln tail, cooler baghouses), steel smelting (blast furnaces, electric furnaces), waste incineration (municipal solid waste, hazardous waste), non-ferrous metal processing (aluminum, copper smelting), and chemical processing (high-temperature reactor dust collection). Our P84 dust filter bags effectively handle high-temperature flue gases and fine dust, ensuring compliance with environmental standards and protecting equipment and employees.
Choose our P84 dust filter bags for: premium P84 raw materials, strict quality control, exceptional high-temperature resistance, superior filtration precision, competitive pricing, and fully customizable specifications. As a direct manufacturer, we eliminate middleman markup, ensuring you get the best value for your money. Our professional technical team provides customized solutions and after-sales support, helping you select the perfect P84 dust filter bags for your facility.
Invest in our P84 dust filter bags for reliable, long-lasting filtration performance in extreme high-temperature environments. Contact us today to discuss your custom P84 dust filter bags requirements and let our high-quality P84 dust filter bags enhance the efficiency and compliance of your industrial dust collection system.