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Polyimide P84 Nomex Filter Bag , Felt Dust Collector Bags Flame Retardant

Good quality Polyester Felt Filter Bag for sales
Good quality Polyester Felt Filter Bag for sales
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Polyimide P84 Nomex Filter Bag , Felt Dust Collector Bags Flame Retardant

China Polyimide P84 Nomex Filter Bag , Felt Dust Collector Bags Flame Retardant supplier

Large Image :  Polyimide P84 Nomex Filter Bag , Felt Dust Collector Bags Flame Retardant

Product Details:

Place of Origin: China
Brand Name: Rootsfilter
Certification: FDA

Payment & Shipping Terms:

Minimum Order Quantity: 100pcs
Packaging Details: EXPORT CARTON
Delivery Time: 5-20 DAYS
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 10000000 PCS PER MONTH
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Detailed Product Description
Features: High Temperature Matrial: Polyimide
Application: Corrosive Gas, Metal, Waste, Chemical Temperature: 240-260 Degree
Hydrolysis: Good PH Value: 3-13

Polyimide P84 Nomex Filter Bag , Felt Dust Collector Bags Flame Retardant


Product Name: P84 High Temperature Resistant Needle-punched Felt


P84 filter bag is a kind of flame-retardant, temperature-resistant and stable fiber filter material. At 240 C, the dust bag is flame-retardant and temperature-resistant.


Temperature stable fiber filter material, high temperature resistance 260 C. The bag is mainly used for dry dedusting of blast furnace gas and filter material of P84 polyimide fiber.


The machine will not change. Optimum high temperature resistance can reach 260 C. P84 fiber filter material has no melting point temperature and is natural golden yellow. P84 polyimide fibers Dimensional filters are not hygroscopic fibre filters (at 65% relative humidity, about 3% water absorption). In addition, P84 fibers are different.

P84 fibers are often implanted on the surface of filter media because of its large surface area and excellent filtration performance.

(Dust-facing side to improve filter performance).



The filter material has three distinct characteristics:

1. Significant Temperature Resistance

Operating temperature is 260 C, but it has safe space to cope with downtime and accidents.



2. Good chemical resistance

The value of P84 filter bags for acid waste gas and alkaline dust has been confirmed in refuse incineration operations in the past decade.


3. Low backwashing pressure and high elastic desliming cake efficiency



The characteristics of P84 are remarkable because of the fineness of the fibers themselves, but also because the irregular cross section of the fibers increases the surface area of the fibers to the maximum.


The micro-pore makes the surface filtration better than the deep filtration. Dust only stays on the surface of the filter felt, but can not penetrate into the filter felt, so the backwashing pressure is low.


The filter cake detachment efficiency has been significantly improved, with excellent collection efficiency of fine particles and small pressure difference. Incineration of asphalt plant, cement plant and waste


Chemicals, liquid bed boilers, coal-fired boilers, etc., have long-term experience in using P84 filter material.


Composition of Acupuncture Felt Polyimide Fiber (P84) P84 Base Cloth Polyimide Fiber P84/Glass Fiber Base Cloth
Gram weight(g/㎡) 450 500 550 800 850 900
Thickness(mm) 2.1 2.3 2.5 2.5 2.8 3
Air permeability(㎡/min) 19 15 12 16 13 10
Fracture strength (N/5*20cm) Meridional direction 650 700 800 1800 1800 1800
Zonal direction 1150 1200 1300 1800 1800 1800
Fracture elongation (%) Meridional direction <35 <35 <35 <10 <10 <10
Zonal direction <55 <55 <55 <10 <10 <10
Rupture strength(Mpa/min) 2.55 2.5 2.4 3.2 3.2 3.2
Continuous operating temperature(℃) <260 <260
Short-term operating temperature(℃) 280 280
Acid resistance excellent excellent
Alkali resistance middle middle
Wear resistance excellent excellent
Hydrolysis stability good good
Post-processing mode High temperature hot pressing and singeing High Temperature Hot Pressing and Burning or Coating


Polyimide P84 Nomex Filter Bag , Felt Dust Collector Bags Flame Retardant

Contact Details
Shanghai Runningfilter Co., Ltd

Contact Person: Amily

Tel: +8618501617016

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