Industrial Nonwoven water proof Polyester Filter Fabric Filter Bag

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Place of Origin: Shandong, China Brand Name: AOBO treatment: water, oil- proof treatment
Technics: Nonwoven Needle Punched Application:: Cement Usage: Dust Filter

Product Description:

Industrial Nonwoven water proof Polyester Filter Fabric Filter Bag



polyester   fiber

Weight (g/   m2)


Thickness   (mm)


Air   permeability (L/m2/s)


Tensile   strength
  (N/5 500px)





Tensile   Elongation(%)

<20< span="">

<30< span="">

<45< span="">

<30< span="">

Broken   strength


Continuous   working temperature(°C/°F)


Short   time Working temperature(°C/°F)








The   stability of water solution


Finishing   treatment

Singeing,   calendaring, plain, Heat Set

Top   load/ entry(walk-in plenum)

Snap   Band

Bottom   load/ entry(common in bin vents)

Disk   With Wear Strip

Heat Setting

Basically all needle felts at Shandong Aobo are heat-set. 
The residual shrinkage is reduced to a minimum by means of an optimum combination of the decisive quality factors , such as temperature, dwell time and cooling phase.

The controlled process management during the cooling phase ensures that the filter bags will have excellent form stability even under most difficult conditions.

Quality-determining parameters

  • Temperature

  • Reaction time

  • Cooling time


Thermal surface treatment

The surface of any needle felt influences the structure of the filter cake, its cleanability as well as pressure drop and the emission.

-          Singed

Three different kinds of treatment are possible: 

  • smooth for adhesive and moist dust

  • medium for universal treatments

  • rough low agglomeration or fine dust

-          Calendering

Through calendering a more compact fiber structure is achieved. This allows a more surface-active separation of dust with lower emission.


Protective Impregnation

-          hydrophobic, oleophobic

This treatment makes it more difficult for moisture to penetrate into the needle felt. Thus the risk of excessive dust deposits and caking is reduced.

-          Protection against acids and hydrolysis

Special impregnation based on TEFLON®. This treatment coats the fiber surface, thus providing it with the anti-adhesive character of a PTFE finish.

An oil- and water-repelling effect is produced, and the fibers are effectively protected against acid and hydrolysis attack.

-          Active finish, hydrophobic

Special water-repellent treatment providing a high cleaning and separation efficiency.


Through the filter-active coating dust is already separated on the surface. In addition the anti-adhesive surface reduces the adhesive forces between the filter medium and dust cake.


  • Optimised cleaning

  • Increased service life

  • High separation efficiency

  • PTFE-Coating, hydrophobic and oleophobic fibers, protection against acids and hydrolysis

  • Primary finish membrane, microporous foam coating, high separation efficiency, easy dust release, hydrophobic and oleophobic

Industrial Nonwoven water proof Polyester Filter Fabric Filter Bag

Industrial Nonwoven water proof Polyester Filter Fabric Filter Bag

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Industrial Nonwoven water proof Polyester Filter Fabric Filter Bag

Company Information

Industrial Nonwoven water proof Polyester Filter Fabric Filter Bag

Industrial Nonwoven water proof Polyester Filter Fabric Filter Bag

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Q:How can the filter bag be processed later?
Burning pressure processing After burning equipment, processing of needled felt filter material single and double sided with singeing and ordinary pressure light processing incomparable advantages, can not only improve the ash removal performance of the filter, also meet the fine dust collection.
Q:What are the advantages of fiberglass filter bags
The bag filter is a type of dry filter. It is suitable for small, dry, non-fibrous dust. Filter bag used textile filter cloth or non textile mat is made, using the fabric filter effect of dust filters, gas when dusty gas into the bag filter, large particles, major dust, due to the effect of gravity settling down, fall into the hopper, contains the fine dust of gas through the filter material, the dust were blocked, the purified gas. The dust removal efficiency of the new filter is not high enough. Filter material to use after a period of time, due to the screen, collision, stranding, diffusion, electrostatic effect, such as a layer of dust accumulation on the surface of filter bag, at the beginning of the dust layer is called layer, after the movement process, early become the main filter to filter material layer, depending on the role of the first layer, large mesh filter material can also get higher filtration efficiency. As in the accumulation of dust on the surface of the filter material, filter efficiency and resistance are corresponding increase, when the pressure difference on both sides of the filter material is very big, can put some tiny dust particles are attached to the filter material has been squeezed in the past, the dust collector efficiency decline. In addition, the high resistance of the dust collector will cause the dust removal system to decrease significantly. Therefore, when the resistance of the dust collector reaches a certain number, the dust should be cleared in time. Do not destroy the initial layer when clearing ash, lest the efficiency decline.
Q:What is the advantage of the oil filter bag?
The spinning shield can almost eliminate fiber transfer Intercept various soft and hard particle impurities
Q:What are the textures of the liquid filter bag
Polyester fiber (polyester, PE) : special polyester fiber has good performance under normal temperature and is the main filter in bag filter. But under dry conditions through operating temperature 130 ℃; Continuous working at above 130 ℃ harden; Fade; Being brittle, the temperature also weakens the strength. Range of accuracy: 1-300 microns.
Q:What are the characteristics of a liquid filter bag?
Expanding filter cloth (bag), improving filter wind speed and filtration efficiency, reducing the volume of dust removal equipment As for the manufacturer, I know that there is one in the hebei parking area, so you can look for it.
Q:The filter bag in the washing machine is broken. How do you fix it
In general, the filter bag of the washing machine can be removed, please read the instructions carefully, even if it is not easy to tear open come down to, as long as don't have much stuff, generally does not affect the quality of washing.
Q:What is the filter bag for the washing machine?
Filtration of all kinds of fine dust that fall on clothing during the laundry process: hair, thread, paper, and other impurities Washing sheets and bedding are the most obvious, and there's a lot of hair that's been collected and useful. Always clean up and don't cause germs.
Q:Do you use a filter bag when you cook bone porridge
Not good, because the filter bag breaks down after high heat, forming bad health. What's more, the market's filtering bags are not fully qualified.
Q:How to buy the paint filter bag in the car painting
Car paint German parrot paint, of course, you ready to buy on taobao, I will buy, there is very good on taobao input car paint parrot came out. It's in shenzhen. The cleaning machine has extensive application in the area of industrial cleaning, and the car factory should also prepare several, wash the machine wash the paint, the welding slag effect... It is recommended that you use the chengdu lifeng cleaning machine, and the cleaning machine should not only look at the management and maintenance of the latter, but also choose a good brand. The coating site is polluted, such as the floor of the lacquer room is not clean and clean. Poor equipment, no positive pressure in the baking room, filter net... The process of determining the relationship between paint and car color is determined by graphical method. The color is determined only in the car itself...
Q:Why is the filter bag material PE a polyester, not a polyethylene
PE (Polyethylene) : Polyethylene, is the most simple structure of high polymer organic compounds, in today's world the most PE Polyethylene widely used polymer materials, composed of ethylene polymerization.

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