Woven Filter Fabrics

Shaffer offers filter bags in a variety of weights, construction and finishes made of the following:

Media Features
Cotton Limited choices, low efficiency
Polyester Workhorse of industry. Lots of choices.
Nylon Abrasion resistance. Limited choices.
Polypropylene Chemical resistance to acids and alkali.
Nomex Widest - used High Temp fabric (to 400F).
Fiberglass Good to 550F. Variety of weights and finishes.
Most used for boiler applications.
Expanded PTFE The ultimate for gas or liquid filtration.
Chemical resistant and good to 550F.

For matching the above fabrics to applications, refer to temperature and chemical resistance charts.