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Our productsPolyimide (P84) needle felt for dust collector systems

General introduction of the Polyimide (P84, PI)needle felt filter cloth:
P84(PI-polyimide) fiber with the properties of high temperature resistance and inflammable, the tri-leaf structure of the fiber help the polyimide needle felt filter cloth with a much lager filter surface when compare to the filter cloth with the other fibers, so the P84 filter cloth is a perfect material and it always can meet very good filter efficiency.

Relevant specification for the P84 needle felt:
Material: P84(PI-polyimide) fiber, supported with P84(PI-polyimide) / PTFE scrim
Weight:450~650g/sq.m
Operation Temperature: Continues: ≤240℃; Peaks: 260℃
Surface treatment available: singed & glazed, heat set, PTFE suspension bath, PTFE membrane.
We can customize the products according to the requirements from the clients!

Main applications of the P84(PI-polyimide) filter bags:
Mainly used for Cement kiln, Asphalt, Waster Incinerator, coal boilers, etc.

The properties of the polyimide dust filter bags:
1. High temperature resistance:
Recommended continuous operation temperature: ≤240 degree C ; instant peaks: 260 degree C.
2. Stable size under high temperature after heat setting treatment: at the 260 degree C , the shrinkage not exceed 1%.
3. Fire proof.
4. Good abrasion and folding resistance.
5. High filter efficiency and long service life.

Note:
1. Maximum width: 2.25meters.
2. Both filter cloth rolls and filter bags are available.

p84 filter bag

polyimide needle felt

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