Polyimide (P84) Needle Felt for Dust Collector Systems

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Standard sample:. Material: 100% P84 fiber / P84 scrim. Weight: 500g/sq.m. Thickness:1.8mm. Air Permeability: 280 L/ m2. S @200pa.

Tensile strength: Warp: >700N/5cm; Weft :> 1200N /5cm
Elongation : Warp: < 35%; Weft: <55%
Service Temperature: Continues: <260℃; Peaks: 280℃
Shrinkage (at 260℃):<1%.
Surface treatment:singed & glazed, heat set.
The other finish treatment available is PTFE bathing and membrane.

P84(PI-polyimide) is the material with the properties of flame resistance, high temperature resistance. Polyimide will keep a good performance when the temperature up to 240 degree centigrade,instant can up to 260 degree to 300 degree. Polyimide is leaf-shaped structure with a larger filter surface, and always embeded in the surface of other needle felt with different material to improve the filter efficiency. For the properties of high Temperature resistant Filter material, good chemical resistance, good air permeability, high filtration efficiency, mostly applied in Cement kiln, Asphalt, Waster Incinerator, coal boilers, etc.
Note: 1. special specification can be customized.
2. maximum width of the polyimide fabric:2.3meters.
3. both filter cloth rolls and filter bags are available from Suita Filters.

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.

Material: P84(PI-polyimide) fiber, supported with P84(PI-polyimide) / PTFE scrim
Weight:450~650g/sq.m
Operation Temperature: Continues: ≤260℃; Peaks: 280℃
Surface treatment available: singed & glazed, heat set, PTFE suspension bath, PTFE membrane.
We can customize the products according to the requirements from the clients!

Mainly used for Cement kiln, Asphalt, Waster Incinerator, coal boilers, etc.

1. High temperature resistance:
Recommended continuous operation temperature: ≤260 degree C (for getting a longest service life, the continuous operation temperature suggest not exceed 240 degree C); instant peaks: 280 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.

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