GTBL042-App-E GTBL042-Callister-v2 September 21, 2007 19:52

AppendixE Glass Transition and Melting

Temperatures for Common

Polymeric Materials

Glass Transition Melting

Temperature Temperature

Polymer [◦C(◦F)] [◦C(◦F)]

Aramid 375 (705) ∼640 (∼1185)

Polyimide (thermoplastic) 280–330 a

(535–625)

Poly(amide-imide) 277–289 a

(530–550)

Polycarbonate 150 (300) 265 (510)

Polyetheretherketone 143 (290) 334 (635)

Polyacrylonitrile 104 (220) 317 (600)

Polystyrene

• Atactic 100 (212) a


• Isotactic 100 (212) 240 (465)
  Poly(butylene terephthalate) — 220–267
  (428–513)
  Poly(vinyl chloride) 87 (190) 212 (415)
  Poly(phenylene sulfide) 85 (185) 285 (545)
  Poly(ethylene terephthalate) 69 (155) 265 (510)
  Nylon 6,6 57 (135) 265 (510)
  Poly(methyl methacrylate)


• Syndiotactic 3 (35) 105 (220)


• Isotactic 3 (35) 45 (115)
  Polypropylene


• Isotactic −10 (15) 175 (347)


• Atactic −18 (0) 175 (347)
  Poly(vinylidene chloride)


• Atactic −18 (0) 175 (347)
  Poly(vinyl fluoride) −20 (−5) 200 (390)
  Poly(vinylidene fluoride) −35 (−30) —
  Polychloroprene (chloroprene rubber
  or neoprene)

−50 (−60) 80 (175)

Polyisobutylene −70 (−95) 128 (260)

cis-Polyisoprene −73 (−100) 28 (80)

Polybutadiene

• Syndiotactic −90 (−130) 154 (310)


• Isotactic −90 (−130) 120 (250)
  High density polyethylene −90 (−130) 137 (279)
  Polytetrafluoroethylene −97 (−140) 327 (620)
  Low density polyethylene −110 (−165) 115 (240)
  Poly(dimethyl siloxane) (silicone rubber) −123 (−190) −54 (−65)
  aThese polymers normally exist at least 95% noncrystalline.

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