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COMPARATIVE PROPERTIES OF PLASTIC

Resins	Clarity	Rigidity	Impact  Resistance	Temperature  Resistance	Moisture  Barrier	Oxygen  Barrier	Acid  Resistance	Resistance  to Oils	Distortion  Temperature
High Density Polyethylene	hazy, transparent	moderate	good	good	good	poor	fair to good	good	200 to 400 F
Low Density Polyethylene	hazy, transparent	low	excellent	good	good	poor	fair to good	good	180 to 220 F
Polyethylene- Terephthalate	clear	moderate  to high	good  to excellent	fair	moderate	excellent	fair	good	125 to 160 F
Polypropylene	moderate to hazy	moderate  to high	fair	fair	good	poor	fair  to good	good	230 to 260 F
Polystyrene	clear	moderate  to high	poor	poor  to fair	poor	good	fair	fair  to good	200 to 220 F
Polyvinyl- chloride	moderate  to hazy	moderate  to high	moderate	fair	moderate	good	good	good	140 to 150 F