Blended Polyester Felt with Anti Static Fiber Mixed
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Blended Polyester Felt with Anti Static Fiber Mixed

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When the concentration of industrial dust reaches the explosion limit, it becomes highly susceptible to causing explosions and fires when exposed to factors like electrostatic discharge sparks. This is especially true for dust types such as flour, chemicals, and coal. To collect these dusts using cloth bags, it is crucial to use filter bags with anti-static properties. The production of anti-static filter material involves incorporating conductive fibers into the warp yarn of the base fabric or mixing them with chemical fibers during the production of needle felt. There are various types of anti-static needle felts available, including polyester and aramid blends in different configurations. These felts exhibit excellent anti-abrasion properties and have a surface resistance ranging from 103 to 108(Ω.cm). Customization options are also available to meet specific requirements. Our commitment to quality is evident in our rigorous testing process, where each material undergoes extensive experimentation to ensure stability and prolong its service life.


Antistatic needle punched filter fabric is primarily utilized in dust bag items, with the main applications in the following industries:

1. Cement production, including grinding, packaging, and transportation.

2. Smelting operations, such as sintering machines and continuous casting.

3. Mining activities, particularly in collecting limestone powder.

4. Non-ferrous metal factories, for alumina transportation and electrolytic aluminum.

5. Furniture manufacturing, specifically in grinding workshops.

6. Dust collection in grain processing.

7. Dust collection in pharmaceutical and various other industries.

Fiber Characteristic

Tensile Strength
Chemical Acids Alkali Resistance Supports Combustion Continuous Temp(℃) Surge Temp (℃)
 Polypropylene Excellent Excellent Excellent Excellent Yes  93  93 
 Nylon Excellent Excellent Poor  Excellent Yes  93  93 
Good  Good  Very Good  Fair  Yes  127  140 
 Copolymer Acrylic Average  Fair  Good  Fair  Yes  110  120 
 Polyester Excellent Excellent Fair  Fair  Yes  135  149 
Aramid Very Good  Excel  Fair  Poor  NO 191  218 
PTFE Average  Fair  Excellent Excellent NO 232  260 
 Fiberglass Excellent Fair  Good  Fair  NO 260  288 
PPS Very Good  Excel  Excellent Very Good  NO 191  218 
P-84 Very Good  Excel  Very Good  Fair  NO 260  288 

Manufacturing Roll goods at Hongyuan Envirotech

With experienced production team and high-tech machinery, Hongyuan Envirotech produce roll goods made of fiberglass and chemical fibers. More than 20 years production experience means we make can produce quality materials to meet market needs. Each fiber features specific properties that make the filter medium uniquely suited to its field of application. Filter media can be specially developed according to the needs of customers and different application conditions.

Filter Media Roll goods for Dust filtration

• Fiberglass fabric with and without e-PTFE membrane

• Needle felt with and without e-PTEF membrane

• Material weight from 250g/m2 to 1000g/m2

• Roll length from 50m to 300m

• Shortest delivery time

• Customized and developed products as customer’s request

Spec   Item Layer/Scrim  Weight(g/m2)  Air
Thickness (mm) Warp Tensile Strength (N/50mm) Weft Tensile Strength (N/50mm) Warp Elong(%) Weft Elong(%) Treatment Continuous Temp
002UA PET/anti static PET 500±5% 15±25% 1.8±0.2 ≥1000 ≥1200 ≤30 ≤55 Heatset, singed &glazed ≤130
003UA PET+5% anti static fiber/PET 500±5% 15±25% 1.8±0.2 ≥1000 ≥1200 ≤30 ≤55 Heatset, singed and glazed ≤130


For more than 20 years, Hongyuan Envirotech Co., Ltd. has been a leading manufacturer of filter material and filter bags for dust filtration industry. Hongyuan Envirotech has been committed to providing customers best filter material with comprehensive cost performance.

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 No.105, South of Binhai Road, Xishi Dist, Yinkou, Liaoning, China
 +86-150-4179-9965
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