PTFE Filter Bags


1. Detailed Description Of PTFE Filter Bags

Weight: 600-800g

Working Temperature: 260-300

Basic Finish treatment: calendered, heat set

Functional treatment: ptfe lamination or membrane.

-Filter bags for gas dust collector

Filter Shaker bags/Shaker Bags

Revers air filter bags/Filter bags for revers air

Pulse Jet filter bags

Envelope filter bags

Filter bags for special working conditions


Size: diameter 100 mm, 125 mm, 130 mm, 150 mm, 180 mm, 250 mm etc...

Any length is available. Special size is customizable.

Process Method: sewing or welded


Bag top and bottom types:

1.  Raw top(Fold in top)

2.  Flange top

3.  Double beaded snap band top

4.  Cuff bottom

Woven Fiberglass filter bag top and bottom types:

1.  Cap top+ Snap band bottom

2.  Cap top+ Anti collapse rings+ Cuff bottom


2. Features Of PTFE Filter Bags  

-High temperature resistant

-Made of 100% ptfe(teflone) fiber

-Acid resistance: good

-Alkali resistance: good

-Abrasive resistance: good

-King of the filter fabric

3. Technical Data of PTFE Filter Bags

750gsm PTFE neede punched felt


Needle felt

Fibre Composition

PTFE Fiber

Scrim Composition


Felt Area Weight




Mean Air Permeability

8-12 m3/m2/min@12.7mmH2O

Breaking Strength-MDwarp

>800 N / 125px

Breaking Strength-CMDweft

>900  N /   125px      

Breaking Elongation( N/125px)-MDwarp


Breaking Elongation( N/125px)-CMDweft


Dry Shrinkage       MD130 warp


Dry Shrinkage       CMD130 weft


Operating Temperatures

260deg C

Recommended Maximum Surge

300deg C      



4. Applications Of PTFE Filter Bags

As filter bags, PTFE Filter Bags are widely use in Industry of Steel, Chemical, Waste incineration, Cement, Construction material, Thermoelectricity.


We make filter bags to fit most styles and types of baghouses and other dust collection systems.  Filter bags come in a wide range of fabrics, coatings, finishes, sizes and configurations.  Let us help you today to find the right bag for your industry application and dust collection system.  With over 20,000 bags in stock and the ability to expedite custom orders, we deliver better lead times, cost effective solutions and responsive service to your filter bag needs.

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