Thursday, January 5, 2012

Resin Comparison Chart

PropertiesPET OrientedPET UnorientedPETGPVC UnorientedHDPELDPEPP
ClarityClear +Clear +Clear +ClearTranslucentTranslucent+Translucent+
Scuffing Resistancepoor/fairpoor/fairfairgoodvery goodvery goodvery good
Impact Strengthgood to
excellent
poor to
fair
poor to
fair
fair to
good
good to
excellent
excellentpoor to good
Stiffnessmoderate
to high
moderate
to high
moderate
to high
moderate
to high
moderatelowmoderate
to high
Maximum Hot Fill*120°F140°F140°F140°F180°F150°F240°F
Permeability to:
Watermoderatemoderatemoderatemoderatevery lowlowvery low
Oxygenlowlowlowlowhighvery highhigh
CO2very lowlowlowlowhighvery highmoderate
to high
Resistance to:
Acidsfair to goodfair to goodfairgood to
very good
fair to
very good
fair to
very good
fair to
very good
Alcoholsgoodgoodpoorgood to
very good
goodfair to
very good
good
Alkalispoor to fairpoor to fairpoor to fairgood to
very good
good to
very good
good to
very good
very good
Minimum Temperature
(Brittleness)
- 40°C- 40°C30°C- 100°C- 100°C0°C
Density1.35-1.401.35-1.401.27-1.351.35.94-.965.91-.925.89-.91
*This chart is a guideline only. Variables such as bottle weight and wall thickness may have an effect on material performance. Testing is always recommended.

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