Name	Low Density Polyethylene	Medium Density Polyethylene	High Density Polyethylene	Polypropylene	Polytetrafluoro ethylene	Polystyrene	Polyvinylchloride (Rigid)	Polyvinylchloride (Non-rigid)
Acronym	LDPE	MDPE	HDPE	PP	PTFE	PS	PVC	PVC
Weak mineral acid resistance	Good	Excellent	Excellent	Excellent	Excellent	Excellent	Excellent	Fair to good
Strong mineral acid resistance	Good	Excellent	Excellent	Excellent	Excellent	Excellent	Good to Excellent	Fair to good
Resistance to concentrated oxidizing acids	Good to Poor	Good to Poor	Good to Poor	Good to Poor	Excellent	Poor	Fair to good	Poor to fair
Resistance to weak alkalis	Good	Excellent	Excellent	Excellent to poor	Excellent	Excellent	Excellent	Fair to good
Resistance to strong alkalis	Good	Excellent	Excellent	Excellent to poor	Excellent	Excellent	Good	Fair to good
Alcohol resistance	Excellent to poor	Excellent to poor	Excellent to poor	Excellent to poor	Excellent	Excellent	Excellent	Fair
Ketone resistance	Excellent to poor	Excellent to poor	Excellent to poor	Excellent to poor	Excellent	Dissolves	Poor	Poor
Resistance to esters	Excellent to poor	Excellent to poor	Excellent to poor	Excellent to poor	Excellent	Poor	Poor	Poor
Resistance to aliphatic hydrocarbons	Fair	Fair	Fair	Good to fair	Excellent	Poor	Excellent	Poor
Resistance to aromatic hydrocarbons	Fair	Good	Fair	Good to fair	Excellent	Dissolves	Poor	Poor
Resistance to animal, mineral and vegetable oils.	Good	Excellent	Good	Good	Excellent	Fair to poor	Excellent	Poor
Maximum continuous service temperature ºC	60-77	71-93	92-200	_	260	66-82	70-74	80-105