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Comparison of Plastic Sheet Properties
Property/
Material
Thermo-
plastic Poly-
urethane
(Ether Grade)
Thermo-
plastic Poly-
urethane
(Ester Grade)
Poly-
carbonate
Polyvinyl
Chloride
Poly-
ethyleneter-
ephthalate*
Polystyrene Polypropylene
Common Names/
Trade Names
    PC PVC PET HIPS PP
Estimated Cost (Per M Sq. In./10 Mil)     2.60 0.588
(Medical)
0.656 0.345 0.276
Approximate Yield (Sq. In./Lb./Mil)     23,000 20,410 20,560 25,835 30,800
Specific Gravity     1.20 1.35 1.34 1.06 .895
Clarity     Good Excellent Excellent Poor to
Fair
Poor to
Good
Approximate Heat Deflection Temperature (°F @ 264 psi)     275° 167° 145° 183° 120°
Impact Strength     Excellent Good Excellent Fair Fair to Good
Sealing Temperature (F) Forming Temperature (F)     310 – 400°
300 – 350°
315 – 360°
275 – 350°
275 – 400°
280 – 350°
250 – 350°
275 – 350°
285 – 400°
300 – 340°
Outstanding Properties     Superior Impact
Forming
Lamination
Chemical
Resi-
stance
Forming
Impact & Tear
Strength Clarity
Dimensional
Stability
Aging
Forming
Rigidity
WVTR Barrier
High & low stress heat deflection
No odor or taste trans-
mission
Principal Uses     Thermoforming
Skylights
Glazing
Security
Over-
wraps
Lamina-
tions
General-
purpose blisters
Forming
Laminations
Forming
Screen Printing
Forming
Medical & food trays

Note:
The above information has been compiled from the property data and general literature pages of the various manufacturers. NIKE IHM assumes no liability or responsibility for the accuracy of this information.
 
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