Industrial Nonwoven Needle punched Anti-static Polyester Filter Bag

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Place of Origin: Shandong, China Brand Name: AOBO Finish: Singeing Calendering Heat Seating
Certificate: ISO9001:2008 and ISO14001:2004 shape: Snap band Material Of Bag: Polyester

Product Description:

Industrial Nonwoven Needle punched Anti-static Polyester 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

Antistatic Constructions

electrical conductive

Optimum discharge of electrostatic charges, therefore suitable for potentially explosive areas, as well as for electrostatic, strongly chargeable/charged dusts.

  • permanent      electrical conductive in accordance with DIN 54 345 part 1 by adding      stainless steel fibres into the fibre mass in accordance with DIN 54 345      part 1 or

  • alternative in      support of scrim in accordance with DIN 54 345 part 1 and part 5

Industrial Nonwoven Needle punched Anti-static Polyester Filter Bag

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Industrial Nonwoven Needle punched Anti-static Polyester Filter Bag

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Industrial Nonwoven Needle punched Anti-static Polyester Filter Bag

Industrial Nonwoven Needle punched Anti-static Polyester Filter Bag

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Q:What is the reason for the strong drop in the broken filter bag of the cement mill dust filter bag
Jam. The main reasons for the failure of bag filter bag are: The oil is in a jam. Oil mist blockage mainly boiler start-up and low load operation for oil fuel, not the filter bag protection or protection does not reach the designated position, this will lead to the residual resistance increase of filter bag, even the powerful soot cleaning is difficult to solve this problem. Dust jam. In the process of filter bag dust collector of fine dust can enter into layers of filter bag, but when the ash removal is not possible to these all back into the inside of the filter bag dust filter bag outside, so after years of running the residual resistance of filter bag will continue to increase, in addition low boiler load for a long time when the filter is not clear ash can also lead to the emergence of the problem.
Q:Liquid filter bags should be aware of those items when installing
Check the gasket and select the compatible gasket. Close the lid, especially when closing the lid of the filter, make sure the washer is not twisted or removed, and tighten the ring nut with clockwise. Close the exhaust valve and turn on the pump. Open the inlet valve and slowly open the valve to see if it is leaking. When a leak occurs, close the inlet valve immediately and open the exit valve from the restart.
Q:What kind of bag is used in the food industry
It depends on how he USES it, what he used to make, how he used it, and what problems he found! It's better to make a judgment! Welcome!
Q:What is the quality inspection of the filter bag?
The instrument is used to test the filter bag after cleaning, to ensure the quality of cleaning is met. Through the processing of the above process, the cleaning bag can meet the requirement
Q:How to unload the washing machine's filter bag?
I not sure, or find a professional to (although some make a mountain out of a molehill ^_^, but it wise to ensure that the "security" of the washing machine!!!)
Q:What do you notice when the filter bag and dust collector are installed?
Installation filter filter bag filter bag method is to filter by housing plate hole into the bag in the room, and then put the upper mouth of the spring coil to knead into a pit, in the case of orifice plate medium, neutralizing spring coil again, make it tight pressure tight in the hole on the circumference of a circle, finally the bag cage from mouth gently insert, until the upper part of the filter bag cage cover is pressure on the casing plate hole.
Q:What is the advantage of the oil filter bag?
In addition to oil filtering bags: Multi-layer melt polypropylene filtration material, which helps to filter liquid level by stage
Q:How to check the filter bag and the dust collector bag when the dust collector is installed?
Installation of bag filter bag quality inspection is also more important, with the bag cage check: because of the bag filter to board, cooperation between the bag and the bag cage requirements is very high, so when installing the bag cage must strictly control the space between the cage with a bag, bag to fit clearance beyond the technical requirements of replacement at once. Finally after installation of the re-inspection, the bag cage after installation, for all the bag cage installation, check one by one, the quality of the installation, review the top of the bag cage with the bag mouth and bag cage, stable performance.
Q:Whether the washing machine filter bag is damaged or not
Does not affect the normal use, but some things on the linter and debris can't be filtered out, find a best silk stockings cut to the size of the filter bag to installed can normal use.
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.

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