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Air filter bags workshop 1

2 year ago
50 0
Product details

General Description

We use the good imported P84 fiber to produce 100% Pure P84 needle felt fabric and P84 filter bag.As it's good performance of easy deashing, decay resistance, it is wide used in the cement plants, waste incinerators, fluid bed boiler coal fired boiler which industry have the higher request of the filter fineness and long using life. To meet the difference working condition, the P84polyimide) fabric surface treatment can have done various processing such as water and oil repellent, PTFE impregnation and memberane.

Known as P84, Polyimide can be operated up to 230 under dry condition with good chemical 

  and thermal resistance although PTFE fiber exceeds these characteristics

It is weak with NO2 and hydrolysis in hot and wet conditions.

The P84 felt offers extended life using in low PH application and against acide attacks , resistant to flex abrasion



Material / Scrim

P84 Fiber/P84 Scrim


500 g/m2



Air permeability(m³//min)


Break Strength(N/5cm)  Warp

800 N

Break  Strength(N/5cm)  Weft

1000 N

Elongation at break(%)  Warp


Elongation at break(%)  Weft


Working Temperature


Peak Temperature


Finishing Treatment

Heat set, Singed and Glazed, PTFE Memberane



The parameters above come from ideal lab-condition,
 the performance will change a little bit in-linewith actual application.

We can customized dust filter
 bag according to customer's request



 P84 have excellent resistance to high peak temperature. It is applicable to corrosive gas, such as chemical, metal smelting, waste incineration industries, cement kiln and coal-fired boiler.


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Shanghai Feizuo Environment Technology Co,.Ltd
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