New P84 Filter Bag View larger

polyimide Filter Bag

P84 polyimide fiber has extraordinary filter and heat resistance function.  It is widely used in waste innceneration.

Manufacture Process

Filter Application

Packing & Delivery

Technical Data

Features & Benefits

How to Order?

  • Our imported high tech fully automatic production line, which guaranteed production efficiency, felt quality and lowered product cost 


1. Chemicals Processing: Dryers in the pigment, plastic, and catalyst industries.

2. Minerals Processing: Dryers and finish mills in the cement industry.

3. Metals Processing: Process collectors in the lead, primary base metal, and foundry industries.



1. Packing can be customized, normally we pack by polybag

2. ETD: 10-15 days after receiving your deposit;

3. Payment terms: 30% deposit, balance against copy of documents;

4. Payment can be made by L/C,T/T;


Order Amount(USD)



50% Deposit the balance 50% will be against the copy of B/L


30% Deposit the balance 70%will be against the copy of B/L



Fiber Content:100% P84 fiber 
Felt Construction:Supported Needlefelt
Continuous Operating Temperature:260°C
WidthNo limited
Scrimwith Acrylic staple yarn
Maximum Surge Temperature:280°C
Acid Resistance:Excellent
Alkali Resistance:Good
Breaking Strength
Machine Direction:1000 N/5 cm
Cross-Machine Direction:1100 N/5 cm
Air permeability(L/m2.s)150~300
Working lifetime8000 hours and more


1. Max. operating temperature: 240℃; Ultimate temperature: 260℃

2. Due to it’s leaf-shaped cross section, It’s 80% increase in filtration area than others filter Media.

3. The properties of Hydrolytic and Oxidation resistance are moderate. We suggest the water vapour content less than 35%Vol and O2 content less than 16%Vol.

4. Oxysulfide will shorter the service life of P84 bag, the suggestion content of oxysulfide should be less than 700mg/Nm3; the waste incinerator should have the desulfurizing unit.

5. Configurations (bag construction) include snap band top, A-hanger, raw edge, grommet, cord, loop, strap, disc bottom, disc wear-strip, flange, hem, sewn flat, envelope, compression cap, and more. 

How to business with us?

1. What you need to do?

You just need to tell us your all your working conditions in through details:

  • Size, material you want;
  • The former filters you use;
  • Your working conditions;

All the next jobs will be done by us:

2. What we offer?

  • Quick response
  • Quick delivery& Competitive price& stable fine quality
  •  Professional technical and commercial suggestions provided by experienced staff.
  • Custom-made design
  • Free samples is accepted if you write to us.
  • The filtration accuracy and efficiency you want to achieve;
  • Meet clients demand for controlling dust emission
  • Meet clients’ expectation of long working life
  • Meet requirement for high cost performance

We are passionate about what we do and we do things right. Contact us, let us help you choose the most economical P84 polyimide Filter Bag for your application.

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