JiangSu AoKai concentrate in manufacture non-woven needle punched felt ,filter cloth and dust collector filter bags for 25 yeas , Needle punched felt and dust collector filter bags has many coating ,membrane,after-treatment product ,of which needle punched felt and dust collector filter bags ,membrane needle punched felt and dust collector filter bags,anti-static needle punched felt and dust collector filter bags, water and oil repellent needle punched felt and dust collector filter bags, anti-static and membrane needle punched felt and dust collector filter bags . The needle punched felt and dust collector filter bags has high air voids ,excellent air permeability,high efficiency collector dust ,long use time .Polyester needle punched felt and dust collector filter bags can resistance 130-150 centigrade degree , It is widely used in cement plant ,wood working ,steel plant ,timber mill and so on .Acrylic needle punched felt and dust collector filter bags can resistance 125-150 centigrade degree , it is widely used in cement plant . Aramid needle punched felt and dust collector filter bags can resistance 204-240 centigrade degree ,it is widely used in asphalt mixing pant ,cement plant and so on . PPS needle punched felt and dust collector filter bags can resistance 160-190 degree ,it is widely used in power plant .ptfe needle punched felt and dust collector filter bags can resistance 240-260 degree ,it is widely used in waste incineration .
Fiber Composition |
Polyester fiber (PET) |
Weight (g/m2) |
500 |
Thickness (mm) |
1.8-2.0 |
Operating temperature
(degree C ) |
130 |
instant temperature (degree C) |
150 |
Air permeability (m3/m2/min) |
8-12 |
Width(mm) |
≤2150 |
Break strength (Mpa/min) |
Warp ≥1000
Weft ≥1300 |
Liner shrinkage(%) |
Warp ≤ 1.5
Weft ≤1 |
Break elongation(%) |
Warp ≤35
Weft ≤50 |
Chemical Finish |
Water and oil repellent |
Resistance to Acid |
Fair |
Resistance to Alkali |
Poor |
Mechanical Finish |
Heat-set and Singed one side |
Resistance to Abrasion |
Excellent |
Resistance to Oxidation |
Good |
Resistance to Hydrolysis |
Poor |
Size |
Φ130*2450 ;Φ130*2500; Φ130*3060; Φ130*3800; Φ130*6000 |