Polyester (PET) regular needle felt
with smooth surface, needle felts made from polyester yarns have good air permeability and are not yielding. They are excellent in industrial fume dust-controlled and dust collection.
The weights are available from 250G/M2 to 1100G/M2.
Polypropylene (PP) needle felt
Benefits from the good physical and chemical characteristics of polypropylene, the PP felts are wearable, acid & alkali resistant and have good air permeability. So they are usually used in the strong acid and alkali conditions
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