Nomex Filter Bag Finish Treatment.
The gas filaments in nomex bag can break the filter fabric when flexed during normal usage if the bag without a finish treatment or protective coating.
Breakage results from flaws forming on the surface of nomex filaments flaws can be created by abrasion or chemical attack. Finish selection should be made on the basis of the flew gas chemical composition and type of particulate.
Heat set, singed, calender is the basic treatment in nomex filter cloth.
PTFE membrane is the most common treatment for needle felts. It provides an excellent combination of filtration efficiency and dust cake release.