Our Polyester Dust Filter Bag is a high-performance, cost-effective filtration product tailored for dry dust collection systems in various industrial sectors. As one of the most widely used filter bags on the market, the polyester dust filter bag integrates excellent filtration efficiency, superior durability, and affordable cost, making it an ideal choice for businesses pursuing reliable dust control. Whether you operate in cement, steel, metallurgy, mining, chemical, pharmaceutical, food processing, or woodworking industries, our polyester dust filter bag can effectively capture dust particles, ensure compliance with environmental emission standards, and cut maintenance costs. Crafted with precision and strict quality control, our polyester dust filter bag outperforms ordinary filter bags in stability, service life, and adaptability, helping your enterprise achieve cleaner and more efficient production.
The polyester dust filter bag is made of high-quality 100% polyester (PET) fiber, processed via advanced needle punching technology to form a dense, uniform felt structure. This special process ensures the polyester dust filter bag has a large void ratio, good air permeability, and strong dust interception capacity—key factors for efficient filtration. Unlike other filter materials, the polyester dust filter bag maintains stable performance in normal temperature environments (≤130℃) and can withstand instantaneous high temperatures up to 150℃, suitable for most low to medium temperature dust collection scenarios. Our polyester dust filter bag also offers optional post-treatment processes, including singeing, calendering, anti-static treatment, water & oil repellent treatment, and PTFE membrane coating, further enhancing its performance and adaptability. Each polyester dust filter bag undergoes strict pre-shipment inspection to ensure no defects, guaranteeing consistent quality and reliable operation.
Parameter Item |
Specification |
Material |
High-quality polyester needle felt (PET) |
Weight |
450-600 g/m² (standard: 500 g/m² ±5%) |
Thickness |
1.8-2.2 mm |
Air Permeability |
10-21 m³/m²/min (tested at 200 Pa) |
Temperature Resistance |
Continuous: ≤130℃; Peak: ≤150℃ |
Tensile Strength |
Warp: ≥1000 N/5cm; Weft: ≥1400 N/5cm |
Dry Shrinkage (130℃) |
<1.5% |
Chemical Resistance |
Fair acid resistance, good alkali resistance (not suitable for high humidity/condensation) |
Surface Finish |
Singeing, calendering, heat setting |
Optional Treatments |
Anti-static, water & oil repellent, PTFE membrane |
Standard Color |
White/gray (customizable) |
Packaging |
Inner plastic bag, outer carton (customizable) |
Compared with peer products, our polyester dust filter bag has distinct advantages. Firstly, it boasts excellent cost-effectiveness: polyester fiber is widely available and the production process is mature, making our polyester dust filter bag’s purchase cost only 1/3 to 1/2 of PTFE or PPS filter bags, while delivering comparable or better performance at normal temperatures. Secondly, the polyester dust filter bag has superior mechanical properties—good abrasion resistance and elastic recovery, enabling it to withstand repeated pulse jet cleaning impacts, with a service life of 1-2 years under normal conditions, greatly reducing replacement frequency and maintenance downtime. Thirdly, it ensures stable filtration efficiency: its dense felt structure intercepts dust particles as small as 0.5 microns, with a filtration rate over 99%, meeting environmental emission standards (≤30mg/m³). Additionally, the polyester dust filter bag has good chemical stability, resisting weak acids, alkalis, and most organic solvents, and its smooth surface facilitates cleaning, reducing dust collector resistance and energy consumption.
Our polyester dust filter bag also offers strong customizability. We understand different industries and dust collector models have unique needs, so we provide customized polyester dust filter bag services, including size (length, diameter), shape (round, flat, envelope type), and post-treatment. Whether you need an anti-static polyester dust filter bag for flammable dust environments, a water & oil repellent polyester dust filter bag for humid/oily conditions, or a PTFE membrane-coated one for enhanced filtration, we can tailor the perfect solution. Our professional team will work closely with you to ensure the polyester dust filter bag matches your system perfectly.
Key parameters of our polyester dust filter bag are strictly controlled to ensure stability and reliability, as shown in the following table:
Widely used in cement, steel, mining, chemical, pharmaceutical, food processing, and woodworking industries, our polyester dust filter bag ensures clean production. We are committed to providing high-quality polyester dust filter bag products and professional services, with advanced production equipment, strict quality control, and timely after-sales support. Choosing our polyester dust filter bag means a reliable, cost-effective filtration solution. Contact us today to learn more about our polyester dust filter bag and get a free quote!
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