Product Description
Aramid (Nomex®) dust collector filter bags are manufactured from high-performance meta-aramid fibers, widely used in industrial filtration since their commercial introduction by DuPont in the 1960s. Known for their high temperature resistance, mechanical strength, and chemical stability, aramid filter bags are an ideal solution for demanding dust collection applications.
Key Features of Aramid Filter Bags
- High Filtration Efficiency : The dense fiber structure of aramid dust filter bags ensures efficient capture of fine particulate matter, delivering consistently high filtration efficiency and stable emission control.
- High Temperature & Flame Resistance : Designed for continuous operation at temperatures up to 204°C (400°F), Nomex® filter bags maintain reliable performance without significant degradation. The material is inherently flame-resistant and self-extinguishing, making it suitable for high-temperature dust collector systems.
- Chemical Resistance : Aramid filter bags offer excellent resistance to a wide range of acids, alkalis, and industrial solvents, ensuring long-term stability in chemically aggressive environments.
- High Strength & Abrasion Resistance: Thanks to the exceptional tensile strength of aramid fibers, these aramid dust collector bags provide superior resistance to tearing, abrasion, and mechanical stress, even when handling abrasive dust.
- Low Thermal Shrinkage & Dimensional Stability :Aramid filter bags exhibit minimal thermal shrinkage, maintaining shape and filtration performance during prolonged high-temperature operation.
Performance Advantages
- Extended Service Life : The durability of aramid dust collector filter bags significantly extends service life, reducing replacement frequency, downtime, and overall maintenance costs.
- Efficient Cleaning & Low Pressure : Drop The smooth fiber surface promotes efficient dust cake release during pulse cleaning, helping to maintain a low pressure drop and improve dust collector energy efficiency.
- Environmentally Responsible Filtration : Aramid filter bags are recyclable and support environmentally responsible dust filtration and emission control solutions.
Dust removal characteristics of aramid filter bag
| Features | Specifications |
|---|---|
| Fiber Content | 100% Pure Aramid |
| Weight | 475 g/m² (14 oz/yd²) |
| Thickness | 1.91 mm (0.075 in) |
| Fabric Structure | Needle Felt |
| Continuous Operating Temp. | 204°C (400°F) |
| Maximum Surge Temp. | 250°C (482°F) |
| Abrasion Resistance | Good |
| Acid Resistance | Good |
| Alkali Resistance | Good |
| Moist Heat Resistance | Good |
| Energy Absorption | Good |
| Filtration Performance | Excellent |
| Oxygen Resistance (>15%) | Poor |
Aramid filter bags are widely used in various industrial fields due to their excellent strength, durability, and resistance to heat and chemical corrosion. They are particularly suitable for high-temperature environments, such as asphalt mixing plants (drum mixers), cement plants (kilns), coal-fired boilers, metal smelting processes, and chemical processes.

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