Fiber
Acid Resistance
Alkali Resistance
Recommended safe temperature limit.
Resistance to Mildew
Resistance to Abrasion
Characteristics
(Dry Filtration)
Cotton
Poor
Fair
210°F
Poor
Fair
General application up to 210°F in neutral conditions.
Nylon
Fair
Excellent
275°F
Excellent
Excellent
Excellent mechanical resistance.
Dacron Polyester
Very Good
Good
300°F
Excellent
Good
High temperature resistance. High tensile strength and mechanical resistance. Excellent dimensional stability.
Poly-propylene
Excellent
Excellent
200°F
Not attacked by mildew
Excellent
Excellent resistance to most acids and alkalis. Limited resistance to high temperature. Good resistance to sunlight and abrasion.
"Nomex"
Fair
Excellent
475°F
Excellent
Excellent
Excellent resistance to high temperature. High tensile strength and mechanical resistance.