FIBER DATA
                                                                                             FIBER/YARN PROPERTIES
  Polypropylene
  Polyester
Homopolymer
       Acrylic
Polyphenylene
    Sulfide
    Aramid
 Polyimide
    Glass
      PolyTetra-
   FluoroEthylene
Continuous
Operating
Temperature
  deg.C
       95
   130
      125
     190
    200
    240
    260
        260
  deg.F
      200
   265
      255
     375
    400
    465
    500
        500
Surge
Temperature
  deg.C
      105
   150
      140
     230
    240
    260
    290
        290
  deg.F
      220
   300
      285
     445
    465
    500
    550
         550   
Resistance to Alkalis
     Excellent
     Good
      Excellent
     Excellent
  Very Good
 Very Good
  Very Good
        Excellent
Resistance to Mineral Acids
     Excellent
     Poor
      Excellent
    Very Good
       Poor
      Poor
      Good
        Excellent
Resistance to Oxidizing Agents
    Very Good
     Poor
     Very Good
        Fair
       Poor
      Poor
  Very Good
        Excellent
Supports Combustion
        Yes
      Yes
           No
         No
        No
       No
       No
             No
Typical Brands
     Herculon
    Dacron
        Dralon
      Torcon
     Nomex
      P84
      N/A
          Teflon
Trademark
     Hercules
    DuPont
        Bayer
       Toray
      DuPont
     Evonik
      N/A
          Toray