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| Fiber |
Max Dry
Temp |
Max Moist
Temp |
Abrasion
Resitance |
Filtration
Properties |
Acid
Resistance |
Alkali
Resistance |
Supports
Combustion |
Relative
Cost |
| Cotton |
180°F |
180°F |
Good |
Excellent |
Poor |
Good |
Yes |
Low |
| Polypropylene |
200°F |
200°F |
Excellent |
Good |
Excellent |
Excellent |
Yes |
Low |
Homopolymer
Acrylic |
265°F |
265°F |
Good |
Good |
Very Good |
Fair |
Yes |
Medium |
| Polyester |
275°F |
200°F |
Excellent |
Good |
Fair/Good |
Fair/Poor |
Yes |
Low |
| P.P.S. |
375°F |
375°F |
Good |
Good |
Good/Excellent |
Excellent |
No |
High |
Nomex®
Aramid |
375°F |
355°F |
Excellent |
Very Good |
Fair |
Good |
No |
High |
| P84® |
500°F |
460°F |
Fair |
Excellent |
Good |
Good |
No |
High |
| Teflon® |
500°F |
500°F |
Good |
Fair |
Inert |
Inert |
No |
Very High |
| Fiberglass |
500°F |
500°F |
Fair |
Fair |
Very Good |
Fair |
No |
Medium |
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