Polyester Filter Bag is engineered to deliver outstanding dust collection efficiency, durability and cost performance across diverse industries. Compared to conventional filter materials, our senotay’s outstanding made needle felt polyester filter bags offer higher mechanical strength, lower resistance and longer operational life
A polyester filter bag is a type of industrial dust filter bag made from polyester needle felt ,Its a nonwoven fabric that effectively captures dust particles from process air or gas streams. It is widely used in baghouse dust collectors for dry filtration applications. Polyester filter bags are known for their excellent mechanical strength, moisture resistance and cost-effectiveness, that’s making them ideal for low- to medium-temperature dust removal environments.
Over 60% of industrial dust collectors worldwide use polyester needle felt filter bags due to their superior balance of cost, performance and temperature resistance. (Source: Global Filtration Industry Report, 2024)
It is Compared to standard polyester media our filter bags feature optimized fiber density that is uniform pore distribution and high tensile strength which is ensuring extended service life and consistent filtration performance even under fluctuating process conditions.
Model Code | Diameter (mm) | Length Range (mm) | Filtration Efficiency (%) | Air Permeability (L/m²/s) | Max Operating Temperature (°C) |
PFB-100 | 100 | 2000-3000 | 99.0-99.3 | 58 | 110 |
PFB-120 | 120 | 2000-3500 | 99.1-99.4 | 56 | 110 |
PFB-140 | 140 | 2000-4000 | 99.2-99.5 | 54 | 110 |
PFB-160 | 160 | 2000-4500 | 99.3-99.6 | 52 | 110 |
PFB-180 | 180 | 2000-5000 | 99.4-99.7 | 50 | 110 |
PFB-200 | 200 | 2000-5500 | 99.5-99.8 | 48 | 110 |
PFB-220 | 220 | 2000-6000 | 99.6-99.9 | 46 | 110 |
PFB-240 | 240 | 2000-6500 | 99.7-99.95 | 44 | 110 |
PFB-260 | 260 | 2000-7000 | 99.75-99.97 | 42 | 110 |
PFB-280 | 280 | 2000-7500 | 99.8-99.99 | 40 | 110 |
Polyester needle felt filter bags are highly applicable in a multitude of industries and sectors for their exceptional filtering capabilities. They are particularly well-suited for applications within the mining and crushing industries, where they play a vital role in the separation and purification of various materials. These robust filter bags are also extensively used in the production of limestone powder, ensuring the quality and purity of the final product.
In the realm of cement production, these filter bags are indispensable as they effectively capture and contain particles, thereby enhancing the efficiency of the production process. They find extensive use in grinding mills for similar reasons, aiding in the smooth and efficient functioning of these mills by managing the flow of materials and maintaining the required level of cleanliness.
In packaging industries, the application of polyester needle felt filter bags is equally significant. They contribute to the enhancement of product quality by ensuring that the packaging process is free from contaminants. This is particularly crucial in industries such as ironmaking, where the quality of the iron is paramount.
Within the steel industry, these filter bags are utilized in various processes such as continuous casting, sintering, and electric furnace smelting. Their ability to withstand high temperatures and harsh conditions makes them invaluable in capturing harmful emissions and maintaining the integrity of the steel-making process.
In the aluminum industry, polyester needle felt filter bags are essential for the transportation of alumina and the treatment of electrolytic aluminum flue gas. They are also extensively used in the non-ferrous metal smelting industry for similar applications, helping to control air pollution and improve the overall efficiency of the smelting process.
Apart from these industrial applications, these filter bags find extensive use in wood processing, grain processing, and the pharmaceutical industry. They are instrumental in ensuring the quality and purity of the final products by effectively removing contaminants from the processes.
In summary, polyester needle felt filter bags are versatile and highly effective filtering solutions that find applications in a wide range of industries. Their ability to withstand harsh conditions, high temperatures, and various types of materials make them indispensable in ensuring the efficiency and quality of processes across different sectors.
product name: | Polyester needle felt filter bag | |
Fiber Type | Polyester | |
Weight (g/Square meter ) | 500±10 | |
Thickness(mm) | 1.7-1.8 | |
Tensile strength (N/5×20cm) | vertical | >1200 |
Weft | >1400 | |
Air permeability (L/m2/s·200pa) | 40-60 | |
Recommended operating temperature (℃) | <1 10 | |
Instantaneous operating temperature (℃) | < 130 | |
Surface treatment process | PTFE coating | |
Case Study: Extended Bag Life and Efficiency A Vietnam-based cement plant increased bag life by 40% and reduced dust emissions by 20% after upgrading to Senotay Polyester Filter Bags.
Our Manufacturing & Quality Advantage At Hebei OuTai Environmental Protection Equipment Co., Ltd we use advanced needling, thermal calendaring, and finishing technologies to ensure uniform fiber structure and consistent pore size.
All filter bags are ISO 9001:2015 certified, tested for tensile strength, air permeability, and dimensional stability before shipment.
Global Production & Expert Support With global supply capabilities and localized engineering teams, Senotay delivers custom filter bag solutions optimized for your dust collector type and operating environment.
We also provide on-site technical audits, ensuring your filtration system achieves maximum performance.
Model Code | PFB-130×2000 | PFB-130×2500 | PFB-150×2000 | PFB-1OS-150×3000 | PFB-180×2500 | PF-180×3200 | PF-200×3000 | PF-200×4000 |
Diameter (mm) | 130 | 130 | 150 | 150 | 180 | 180 | 200 | 200 |
Length (mm) | 2000 | 2500 | 2000 | 3000 | 2500 | 3200 | 3000 | 4000 |
Filter Area (m²) | 0.82 | 1.02 | 0.94 | 1.41 | 1.41 | 1.81 | 1.88 | 2.51 |
Weight (g/m²) | 500 ±10 | 500 ±10 | 500 ±10 | 500 ±10 | 500 ±10 | 500 ±10 | 500 ±10 | 500 ±10 |
Air Permeability (L/m²/s) | 40–60 | 40–60 | 40–60 | 40–60 | 40–60 | 40–60 | 40–60 | 40–60 |
Max Continuous Temp (°C) | <110 | <110 | <110 | <110 | <110 | <110 | <110 | <110 |
Note: All models feature PTFE surface treatment and reinforced bottom seams. Custom sizes available upon request.
Q.How long do Polyester Filter Bags last?
Answers:Typically 6–24 months, depending on dust type, cleaning method and operating temperature. Regular inspections extend service life significantly.
Q.Can Polyester Filter Bags handle high-temperature dust?
Answers:Polyester bags are suitable for continuous operation up to 130°C. For higher temperatures. we recommend Nomex (Aramid) or PTFE filter bags.
Q.What is a Polyester Filter Bag also known as?
Answers: Also referred to as a needle felt filter bag, dust collector filter bag or baghouse filter bag.
