Superior Micro-Particle Capture: The SENOTAY P84 Filter Bag
Achieve flawless emissions control and low operational pressure drops in demanding thermal environments with the SENOTAY P84 (Polyimide) Filter Bag Series—the ultimate high-efficiency filtration solution from Hebei OuTai Environmental Protection Equipment Co., Ltd. (SENOTAY). P84 fibers feature a unique, highly irregular multi-lobed (trilobal) cross-sectional structure. This specialized irregular profile increases the effective filtration surface area by up to 80% compared to round fibers, trapping microscopic dust particles directly on the bag's surface rather than allowing them to penetrate deep into the felt.
Engineered to operate continuously at temperatures up to 240°C (464°F), SENOTAY P84 filter bags deliver exceptional surface filtration efficiency and outstanding dust cake release, making them the premier choice for plants processing fine, abrasive, or challenging particulate matter.
Why Leading Plants Choose SENOTAY:
Factory-Direct Pricing. Certified Quality. Dedicated Support.
Comprehensive After-Sales Support
Lifetime Technical Support: Expert assistance with air-to-cloth ratios, structural cage profiling, gas chemistry evaluation (checking $SO_x$ and moisture thresholds), and media compatibility for the lifespan of your dust collector.
Full System Availability: Immediate access to matching heavy-duty galvanized, epoxy-coated, or stainless steel filter cages (including star-ring and multi-section configurations).
Remote Troubleshooting: Fast diagnostics to resolve differential pressure alarms, premature chemical hydrolysis issues, or localized abrasive wear.
Trusted by high-efficiency industrial plants worldwide. Ready for yours.
Main Features & Properties of P84 Filter Bag
Continuous operating temperature: up to 260°C
Peak temperature resistance: 280°C
Exceptional acid and hydrolysis resistance
High filtration efficiency (≥99.9%)
Stable performance under moist and acidic conditions
Excellent fine dust capture due to irregular fiber cross-section
Low residual dust after pulse cleaning
Technical Advantages in Manufacturing P84 Filter Bags
Senotay, a leading P84 filter bag manufacturer, combines European-grade fiber materials with precision engineering and automated production for superior bag performance.
Key Manufacturing Advantages:
Advanced needle-punching technology ensuring consistent density and airflow
Multi-layer composite lamination for enhanced chemical and mechanical durability
PTFE or fiberglass blending options to improve temperature and acid resistance
Customized fabrication for any baghouse system or waste incineration filter unit
Rigorous quality inspection and permeability testing to meet global emission standards
Types of P84 Filter Bags- We provide
Type No. | Composition | Operating Temp (°C) | Surface Treatment | Application Area |
P84-101 | 100% P84 fiber | 260 | None | Waste incineration |
P84-102 | P84 + PTFE membrane | 260 | PTFE coating | Chemical plant dust collection |
P84-103 | P84 + fiberglass | 250 | Graphite finish | Cement kiln |
P84-104 | P84 + Nomex blend | 240 | Silicone coating | Power plant |
P84-105 | P84 + PPS blend | 260 | Anti-static | Coal combustion |
P84-106 | P84 + PTFE lamination | 270 | Dual layer | Biomass furnace |
P84-107 | P84 + aramid base | 260 | Oil & water repellent | Petrochemical plant |
P84-108 | 100% P84 felt | 260 | Heat-set finish | Waste treatment |
P84-109 | P84 + glass composite | 280 | Acid-resistant coating | Metal smelting |
P84-110 | P84 + acrylic blend | 250 | Alkali-resistant | Fertilizer industry |
Physical & Mechanical Properties of P84 Filter Bag
Property | Value |
Continuous Temperature | 260°C |
Peak Temperature | 280°C |
Air Permeability | 100–180 L/m²·s @ 200 Pa |
Tensile Strength | > 2600 N (warp), > 2200 N (weft) |
Elongation | < 20% |
Filtration Efficiency | ≥ 99.9% |
Thickness | 2.0–2.4 mm |
Weight | 500–600 g/m² |
Industries Using P84 Filter Bags
Cement and Asphalt Mix Plants
Power Plants (coal-fired, biomass, and thermal)
Metallurgical Industry
Waste Incineration Plants
Chemical and Refinery Processing Units
Smelting and Foundry Processes
Pharmaceutical and Industrial Kilns
The P84 filter bag’s outstanding efficiency, thermal endurance, and longevity make it a preferred choice for fine particulate filtration in modern pollution control systems.
Specification of P84 Filter Bag
product name: | P84 dust filter bag |
Fiber Type | Polyimide fiber |
Weight (g/ ㎡ ) | 500±10 |
Thickness(mm) | 1.8-2 |
Tensile strength (N/5×20cm) | vertical | >1000 |
Weft | >1200 |
Air permeability (L/m2/s·200pa) | 200-400 |
Recommended operating temperature (℃) | <204 |
Instantaneous operating temperature (℃) | 240 |
Surface treatment process | PTFE coating
|

Model No. | Temperature Range (°C) | Finish Type | Air Permeability (L/m²·s) | Efficiency (%) |
P84-201 | 220–260 | PTFE | 150 | 99.9 |
P84-202 | 230–270 | Graphite | 140 | 99.8 |
P84-203 | 240–260 | Silicone | 160 | 99.7 |
P84-204 | 230–250 | None | 180 | 99.5 |
P84-205 | 250–270 | Acid-resistant | 140 | 99.9 |
P84-206 | 230–260 | Alkali-resistant | 130 | 99.8 |
P84-207 | 250–270 | Dual coating | 120 | 99.9 |
P84-208 | 260–280 | Anti-static | 130 | 99.8 |
P84-209 | 240–260 | Oil-repellent | 150 | 99.8 |
P84-210 | 250–280 | Composite PTFE | 110 | 99.95 |
Why Choose Hebei OuTai Environmental Protection Equipment Co., Ltd
Hebei OuTai (Senotay) stands as a trusted manufacturer and global supplier of industrial dust filter bags.
Our Competitive Edge:
We have Over 15 years experience in environmental air filtration systems.
State-of-the-art facility with international QC complianc.
We can have Custom-made designs to fit all major baghouse systems.
Quality certification: We are ISO 9001:2015 certified.
Global Service Reach – We have Fast response, installation guidance and export logistics
Senotay’s commitment to quality ensures that every Acrylic filter bag performs efficiently in the world’s toughest environments.To save the environment is our main goal.
▪ Dust Filter Bag
▪ Polyester Filter Bag | FMS Filter Bag | Basalt Filter Bag | Nomex Filter Bag |
PTFE Filter Bag | Acrylic Filter Bag | Fiberglass Filter Bag | P84 Filter Bag | PPS Filter Bag
▪ Dust Collector Bag Cage
▪ Dust Collector Bag Cage | Galvanized Bag Cage | Silicone Bag Cage | Trapezoidal Bag Cage | Envelope Bag Cage | Cage Venturi Tube
▪ Dust filter element
▪ Air Filter Element | Top-mounted Dust Filter Element | Oblique-insert Dust Filter Element |
Lifting Dust Filter Element | Six-Ear Quick-release Dust Filter Element | Threaded Dust Filter Element | Flange Dust Filter Element
▪ Electromagnetic pulse valve
▪ DMF-Z Right Angle Solenoid Pulse Valve | DMF-Y Submerged Electromagnetic Pulse Valve
▪ Industrial Electric Precipitation Accessories
▪ Cathode Wire | Dust Collecting Plate | Vibrating Hammer | Bearing In Dust | Electrostatic Precipitator Porcelain Sleeve
Q&A Section
Q1: What is a P84 filter bag used for?
Ans:P84 filter bags are designed for high-temperature dust collection and flue gas purification, especially in waste incineration plants, cement kilns, and chemical industries.
Q2: Why is P84 material preferred for industrial filtration?
Ans:Because of its high-temperature stability, acid resistance, and unique trilobal fiber shape, which increases surface area for superior dust capture efficiency.
Q3: How long does a P84 filter bag last?
Ans:Typically, 3–5 years under optimal conditions, depending on the application and cleaning system.
Q4: Can P84 filter bags withstand moisture and acid gases?
Ans:Yes. P84 fiber provides excellent resistance to hydrolysis and acidic exhaust gases, making it ideal for waste incineration and chemical process filtration.
Q5: Can P84 filter bags be customized?
Ans:yes,Obviously. Senotay (Hebei OuTai Environmental Protection Equipment Co., Ltd.) offers custom diameters, coatings, and blends (P84 + PTFE, P84 + Nomex, etc.) to match your specific operating conditions.