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CHEMICAL  RESISTANCE  CHART
         Material         Properties          Chemical  Resistance  Max.Temp.
       ABS         Stable  over  a  wide  range  of  Mostly  resistant  to  solutions  180  °F
       Acrylonitrile  temperatures. Especially good in  of  salts,  inorganic  acids,
       B u t a d i e n e  cold environments.  High impact  food acids and alkalines. Not
       Styrene     strength  and  ductility.  Good  resistant   to   solvents,
                   chemical   resistance   and  aromatics   and   some
                   rigidity                 chlorinated  hydrocarbons.

       CPVC        Excellent  chemical  resistance,  Resistant  to  many  acids,  210  °F
       Post        good  mechanical  strength  and  bases,  salts,  paraffinic
       chlorinated  rigidity,  high  heat  resistance,  hydrocarbons,  halogens  and
       Polyvinyl   excellent flammability properties  alcohols.  Not  resistant  to
       Chloride    (self-extinguishing), low thermal  solvents,  aromatics  and
                   conductivity,  and  good  abrasion  some   chlorinated
                   resistance.              hydrocarbons.
       ECTFE       Excellent  mechanical  and  Resistant  to  most  acids,  300  °F
       Ethylenchlortri-  chemical   resistance,   fire  alkalis,  salts,  halogens,
       fluoretylene  retardant,  wide  operating  alcohols  and  chlorinated
                   temperature  range,  very  good  hydrocarbons,  especially
                   weathering  resistance.  good  with  caustics  and
                                            chlorine  solutions.
       NYLON  6    Outstanding  wear  resistance.  Excellent  resistance  to  230  °F
                   High  strength,  toughness  and  organic  solvents  and  weak
                   chemical  resistance.    alkalis.  Good  resistance  to
                                            weak   acids,   alcohols,
                                            hydrocarbons  and  fuels.  But
                                            attacked by strong acids and
                                            UV  radiation.

       NYLON  12   Resistant  to  chemicals,  friction,  Similar  chemical  resistance  190  °F
                   and   abrasion.   Impressive  as Nylon 6, but less resistant
                   mechanical  and  electrical  to  alcohols.
                   properties.  Less  moisture
                   absorption  than  Nylon  6.
       PC          Excellent   combination   of  Generally  unaffected  by  275  °F
       Polycarbonate  toughness,  transparency,  heat  greases,  oils  and  acids.  Not
                   and  flame  resistance  and  resistant  to  solvents,  esters
                   dimensional  stability.  Good  and  ketones,  which  can
                   electrical  insulating  properties  cause  cracking.  Continuous
                   and wide operating temperature  exposure  to  hot  water
                   range.                   causes  embrittlement.

       PEEK        Very    high   operating   V ery  good  resistance  to  500  °F
       Polyethere-  temperatures,  high  rigidity  and  most solutions. Not resistant
       therketone  hardness,   strength   and  to  concentrated  sulphuric
                   thermostability.  Very  good  acid,  fuming  nitric  acid  and
                   chemical  resistance,  good  some halogen  hydrocarbons.
                   dielectric  characteristics,  self-
                   extinguishing  and  resistant  to
                   radiation.
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