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Aramid (NX) Dust Filter Bags

Using the finest fiber material possible in the market and high-speed modern needling equipment, we manufacture our own filter media for our dust filter bags guaranteeing the highest quality, reliability, and consistency
A wide range of surface finishes and chemical treatments that aid in the collection and release of the dust from the bags
Ultrasonic welded seam for increased efficiency and reinforced mechanical strength
Our laboratories are equipped with sophisticated testing equipment used to analyze and evaluate all aspects of your process and application
Custom fabricated bag designs to meet the unique needs of your bag house installation
  • Product Details



Media Features

High termperature needle punched felt 

Excellent resistance to abrasion  

Good resistance to alkalis under most condition 

Most mineral oxides cause degradation and partial decomposition. 

Aramid withstands common organic solvents very well. Some phenolic compounds cause solubility.  

Continuous operating temperature 400oF (204°C) 

Best used in dry conditions at high temperatures


Fiber MaterialsNX-Aramid
Standard Finish Options
(Special surface treatments available)
Heat Set, Singed, Glazed, PTFE membrane, Water and oil proof
oz/yd² (g/m2)
11.80-17.70 (400-600)

   Inch (mm)
0.071-0.095 (1.8-2.4)
Air Permeability
 CFM@ ½" W.G125PA
 (m³/m².min@200PA )
21-50 (10-24)
  Tensile Strength
 lb/in (N/5CM)
Warp MD 103 (900)
Weft CD137 (1200)
Tensile Elongation (%)Warp MD ≤25
Weft CD≤45
Thermal Shrinkage (%) at max continuous temp.Warp MD ≤1
Weft CD≤1.5
Max. Operating Temperature  oF (oC)Continuous400 (204)
Surge465 (240)
The data are based on laboratory conditions. 
Testing based on specific operating conditions of each installation is recommended.


Power Generation

Sand Blasting 

Paper, Pulp & Woodworking 

Cement, Mining & Rock Products 

Asphalt & Aggregate 

Chemicals & Pharmaceuticals 

Metals & Foundry 

Food & Beverages 

Custom OEM Applications

Ordering Information

Comprehensive selection of bag sizes: 

Diameter: 4 5/8” – 113⁄4”

Length: 12” – 144”

Customized sizes are also available 

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Blue Sky Technology Co. Ltd © 2019-2022 All Rights Reserved.    Link:Blue Sky   
Tel: 0086-13914092877 E-mail:    百度统计