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Felt construction is generally chosen where smaller particle retention is required, in
the nominal 1 to 100 micron range. It offers higher solids loading capacity than mesh. General-purpose felt bags are offered in polyester and polypropylene materials. Special-purpose felt bags are offered in polyester and polypropylene materials. Special-purpose felt bags include high temperature service (to 500°F) bags of Nomex® nylon or Teflon®.
. Plain, as manufactured, without treatment or covers.
The outer most surface fibers are melted by a momentary application of high heat. This bonds the fibers together and reduces the possibility of fiber migration.
completely encase the felt bag.
This cover acts to contain any fibers that may
separate from the filter bag. Materials available
in mono and multifilament mesh, spun bonded nylon and polyester.
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