High temperature resistant non woven felt for dust filtration
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High temperature resistant non woven felt for dust filtration

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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 

The Advantages and Applications of Needle Felt in Industrial Dust Collection

Industrial dust collection plays a crucial role in maintaining a clean and safe working environment. One of the key components in this process is needle felt, a versatile material that offers numerous advantages and finds extensive applications in various industries. This article explores the benefits and uses of needle felt in industrial dust collection.

1. Excellent Filtration Efficiency:

Needle felt is renowned for its exceptional filtration efficiency. Composed of synthetic fibers, such as polyester, polypropylene, or aramid, needle felt forms a dense and porous structure. The intricate network of interlocking fibers creates a labyrinth-like path, effectively trapping and retaining dust particles during the filtration process. This high filtration efficiency ensures that airborne contaminants are efficiently captured, preventing their release into the surrounding environment.

2. Enhanced Durability:

Industrial environments can be harsh, subjecting filtration materials to extreme temperatures, chemical exposure, and mechanical stress. Needle felt is designed to withstand these challenges, making it a durable and long-lasting solution for industrial dust collection. Its resistance to abrasion, chemicals, and temperature variations ensures that the filtration material retains its integrity and efficiency over an extended period, reducing maintenance and replacement costs.

3. Wide Range of Applications:

The versatility of needle felt allows it to be utilized in various industrial sectors. Some notable applications include:

a. Cement Industry:

Cement production involves the handling of fine particulate matter, such as limestone, clay, and gypsum. Needle felt filters are used in baghouses to capture these particles, preventing their release into the atmosphere. The high filtration efficiency and durability of needle felt make it an ideal choice for this demanding application.

b. Power Generation:

Power plants generate significant amounts of fly ash, a byproduct of coal combustion. Needle felt filters effectively capture and remove fly ash particles, ensuring compliance with emission regulations. The material's resistance to high temperatures and chemical exposure makes it suitable for the demanding conditions within power plants.

c. Metalworking and Foundries:

Metalworking processes produce airborne contaminants, including metal dust, fumes, and smoke. Needle felt filters are employed to capture these hazardous particles, maintaining a clean and safe working environment. The material's durability and resistance to corrosion make it an excellent choice for this industry.

d. Food and Pharmaceutical Industries:

In the food and pharmaceutical sectors, maintaining strict hygiene standards is crucial. Needle felt filters are utilized to remove airborne contaminants, such as dust, bacteria, and mold spores, ensuring product quality and safety.

Needle felt is a highly efficient and durable material that offers numerous advantages in industrial dust collection. Its exceptional filtration efficiency, enhanced durability, and wide range of applications make it an indispensable component in maintaining a clean and safe working environment. By effectively capturing airborne contaminants, needle felt contributes to improved air quality, reduced maintenance costs, and enhanced productivity across various 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
001UA  100% PET 500±5% 15±25% 1.8±0.2 ≥1000 ≥1200 ≤30 ≤55 Heatset, singed &glazed ≤130
001FA  100% PET 500±5% 15±25% 1.8±0.2 ≥1000 ≥1200 ≤30 ≤55 Water and oil repellent ≤130
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
001UM  100% PET 500±5% 4±25% 1.8±0.2 ≥1000 ≥1200 ≤30 ≤55 with membrane ≤130
100UA 100% PP 500±5% 11±25% 1.8±0.2 ≥1000 ≥1200 ≤30 ≤55 Singed &glazed ≤80
200UA 100% Acrylic 500±5% 15±25% 1.8±0.2 ≥700 ≥1100 ≤55 ≤50 Heatset, singed &glazed ≤90
301KA PPS 500±5% 10±25% 1.8±0.2 ≥800 ≥1300 ≤25 ≤50 PTFE finished  ≤160
301KM PPS 500±5% 4±25% 1.8±0.2 ≥800 ≥1300 ≤25 ≤50 with membrane ≤160
303KA PPS/PTFE 580±5% 10±25% 1.8±0.2 ≥700 ≥1100 ≤20 ≤30 PTFE finished ≤160
303KM PPS/PTFE 530±5% 4±25% 1.8±0.2 ≥700 ≥1100 ≤20 ≤30 with membrane ≤160
311KA PPS+PTFE/ PTFE 650±5% 10±25% 2±0.2 ≥800 ≥1200 ≤25 ≤50 PTFE finished  ≤160
500HA  Nomex/Nomex 550±5% 21±25% 2.1±0.2 ≥800 ≥1200 ≤25 ≤50 Heatset  singed & glazed   ≤200
500KA Nomex/ Nomex 550±5% 18±25% 2.1±0.2 ≥800 ≥1200 ≤25 ≤50 PTFE finished  ≤200
FMS 801B Fiberglass composite / Fiberglass  900±5% 20±25% 2.1±0.2 ≥2500 ≥2500 ≤10 ≤10 PTFE finished  ≤240
 600KM  PTFE/ PTFE  780±5% 4±25% 1.6±0.2 ≥700 ≥700 ≤10 ≤10 with membrane ≤240



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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