Resin Comparison Chart

PropertiesPET OrientedPET UnorientedPETGPVC UnorientedHDPELDPEPP
Clarity Clear + Clear + Clear + Clear Translucent Translucent+ Translucent+
Scuffing Resistance poor/fair poor/fair fair good very good very good very good
Impact Strength good to excellent poor to fair poor to fair fair to good good to excellent excellent poor to good
Stiffness moderate to high moderate to high moderate to high moderate to high moderate low moderate to high
Maximum Hot Fill* 120°F 140°F 140°F 140°F 180°F 150°F 240°F
Permeability to:
   Water moderate moderate moderate moderate very low low very low
   Oxygen low low low low high very high high
   CO2 very low low low low high very high moderate to high
Resistance to:
   Acids fair to good fair to good fair good to very good fair to very good fair to very good fair to very good
   Alcohols good good poor good to very good good fair to very good good
   Alkalis poor to fair poor to fair poor to fair good to very good good to very good good to very good very good
Minimum Temperature
(Brittleness)
- 40°C - 40°C 30°C - 100°C - 100°C 0°C
Density 1.35-1.40 1.35-1.40 1.27-1.35 1.35 .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.