Fiber Short Term Operating Temp F Short Term Operating Temp C° Resistance to Acids Resistance to Alkalis Tenacity (g/d) LOI (%) Brands
Meta – Aramid 375 190 Good Good 5.5 29 Nomex, Conex, M1, SRO
Para-Aramid 375 190 Fair Good 24 29 Kevlar,Twaron, Hyosung
Polyphenylene sulfide (PPS) 375 190 Excellent Excellent 4 35 Torcon, Procon, ZetaOne
PTFE 482 250 Excellent Excellent 2 95 Teflon
Oxidized Polyacrylonitrile (OPAN) Carbonizes Carbonizes Good Poor 2 50 Panox, Pyron
Polyimide 482 250 Excellent Fair 4.3 38 P84
Nylon 212 100 Poor Good 6.5 21 Ultron
Polyester 275 135 Good Limited 5.5 19
Polypropylene 320 160 Excellent Excellent 4.3 17
Sialoxol 2732 1500 Good Good Belcotex
Polyacrylate 482 250 Excellent Excellent 2.1 43 Pyrotex
Polybenzimidazole (PBI) 545 285 Good Fair 2.6 40 PBI
poly-phenylene benzobisoxazole (PBO) 482 250 Good Good 42 68 Zylon
Polyamideimide 464 240 Fair Good 4 29 Kermel
Modacrylic 275 135 Excellent Good 3 30
Acrylic 257 125 Excellent Good 5 18