Materials

	VMQ	FVMQ	FPM	EPDM	CR	NBR	PTFE
Shore A	50 - 80	50 - 70	60 - 90	60 - 80	50 - 90	50 - 90	--
aliph. hydrocarbons (e.g. petrol)	unqualified	good	excellent	unqualified	partly qualified	good	excellent
aromat. hydrocarbons (e.g. benzol, toluol)	unqualified	unqualified	good	unqualified	unqualified	unqualified	excellent
chlor. hydrocarbons (z.B. Tri, Tetra)	unqualified	unqualified	good	unqualified	unqualified	unqualified	excellent
solvents (e.g. acetone, butylacetate)	unqualified	unqualified	unqualified	good	unqualified	unqualified	excellent
alcaline solutions	partly qualified	unqualified	good	excellent	excellent	good	excellent
aqueous acids	good	excellent	excellent	excellent	excellent	good	excellent
concentr. acids	unqualified	good	good	good	good	unqualified	excellent
min. oil °C	140	160	200	unqualified	100	130	250
water °C	150	150	150	180	120	110	260
air °C	230	200	200	130	110	110	300
coldness °C	- 60	- 65	- 15	- 45	- 40	- 40	- 180