Acrylic needle felt
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Acrylic needle felt

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Hongyuan Envirotech manufactures a wide range of needle felt for dust filtration. Needle felt is a type of filter material created using various chemical fibers such as Polyester, PP, Acrylic, PPS, Aramid, fiberglass, PTFE, and P84. Our needle felt is produced using a unique needle punching process and high strength filament scrim. We typically treat the felt surface with heat setting, singed and glazed finishes. Additionally, we offer PTFE and water and oil repellent finishes based on customer requests and specific applications. Our advanced equipment and technology greatly enhance the cleaning capacity, stability, and filtering accuracy of the filter materials, resulting in an extended service life. Our needle felt finds wide application across industries including Metallurgy, Chemical industry, Cement, Power plant, Medicine, and Waste incineration plant, among others.

Acrylic needle felt filter cloths are commonly used in industrial filtration. These filter cloths are made from homopolymer acrylic, which is composed entirely of acrylonitrile. They possess strong resistance to acids, alkalis, oxidation, and hydrolysis, making them suitable for environments with high acid and alkali levels and moderate temperatures. Acrylic needle felt filter cloths are extensively utilized in various industries, including metallurgy, chemicals, construction, power generation, machinery, petroleum, medicine, printing, dyeing, food, and beverages, for gas filtration and material recycling.

Key Features:

• Exceptional mechanical properties

• Outstanding resistance to hydrolysis

• Excellent heat stability in both dry and wet conditions

• Optimum resistance to chemical substances

• Remarkable durability against light, weathering, mildew, and bacteria.

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 

Scrim: Acrylic

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

Service temperature: 130℃ continue, 150℃ maximum

Regular width: 2m-2.2m

Application: Waste incineration, Asphalt, Dance spray dryer, Coal mill and Power plant, etc.

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
200UA 100% Acrylic 500±5% 15±25% 1.8±0.2 ≥700 ≥1100 ≤55 ≤50 Heatset, singed &glazed ≤90


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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