Anti-static needle felt
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Anti-static needle felt

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When the level of industrial dust reaches the point where it could explode, it becomes highly prone to causing explosions and fires if it comes into contact with things like sparks from static electricity. This is particularly true for dusts like flour, chemicals, and coal. To gather up these dusts using cloth bags, it is essential to use filter bags that have anti-static properties. Making anti-static filter material involves adding conductive fibers to the warp yarn of the base fabric or blending them with chemical fibers while making needle felt. There are different types of anti-static needle felts available, like combinations of polyester and aramid in various arrangements. These felts have excellent resistance to wear and have a surface resistance that ranges from 103 to 108(Ω.cm). There are also options for customization to meet specific needs. Our dedication to quality is evident in our thorough testing process, where each material undergoes extensive experimentation to ensure its stability and prolong its lifespan.

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 

Layer: Polyester/Polyester + antistatic fiber

Scrim: Polyester/Anti-static polyester

Available weight: 350g/m2, 400g/m2, 450g/m2, 500g/m2, 550g/m2, 600g/m2

Treatment: Heat-set, singed and glazed, Water & Oil repellent, e-PTFE membrane laminated

Electroconductivity: <1010

Service temperature: 130℃ continue, 150℃ maximum

Regular width: 2m-2.2m

Application: Coal-fired boiler, Power plant, etc.

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


The primary use of antistatic needle punched filter fabric is in dust bag products. It is commonly applied in the following industries:

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

2. Smelting processes, like sintering machines and continuous casting.

3. Mining operations, especially in gathering limestone powder.

4. Non-ferrous metal plants, for transporting alumina and electrolytic aluminum.

5. Furniture production, particularly in grinding workshops.

6. Collecting dust in grain processing.

7. Collecting dust in pharmaceutical and other diverse industries.

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



Q1. What is the packing way for needle felt roll goods?
A: Standard export packing with plastic bag and woven bag.


Q2. What’s the MOQ for each type?  
A: No problem to supply small quantity like 100lm or 50lm because we have stock or regular order for regular types.


Q3. Is it possible to get free sample?
A: Yes. Free sample can be provided by us.


Q4. What about the delivery time?
A: For regular order, within 4 weeks. It depends on the items and the quantity of the order.


Q5. Can you special customized products?
A: Yes, we can design and produce according customer’s request or sample.

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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