PTFE Needle Felt Filter Bag

PTFE Needle Felt Filter Bag
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Due to its excellent stability in numerous working conditions, the specially developed PTFE needle felt filter bag is used for filtration in chemical plants, waste incineration and high temperature liquid processes.

Our needle felt bag is made using an extremely stable PTFE fiber material, giving the filter bag a number of attractive features.
1. The filter bag works at a continuous temperature of 250°C and an instantaneous temperature of 280°C.
2. This PTFE filtration bag is almost completely non-flammable and has an excellent resistance to acid, alkali and oxidation.
3. PTFE fiber is a fiber that does not age, thus the filter bag does not weaken over time.
4. Filtertex’s needle felt bags adapt to even the harshest working environments, and feature a normal service life of more than 4 years.

Detailed Information of Our Filter Bags

Product name TF/TF1750-W
Fiber material 100%PTFE
Cloth material 100%PTFE
Gram weight 750g/m2
Thickness 1.1mm
Density 0.68g/cm3
Air permeability 90L/dm2.min
Warp breaking strength ≥450 N/5cm
Weft breaking strength ≥450 N/5cm
Warp elongation (@200N/5cm) <5%
Weft elongation (@200N/5cm) <5%
Thermal contraction (@150degC,90min) 2%
Bursting strength >300 N/cm2
Working temperature
Continuous service temperature 260℃
Surge temperature 280℃
Post processing Thermoforming
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