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General properties of the most customary rubbers

Chemical indication	Natural rubber	Styrene butadiene rubber	Acryl nitrite Butadien rubber (Nitrile)	Chloroprene rubber (neoprene)	Isobutylene rubber (Butyl)
International abbreviation	N.R.	S.B.R.	N.B.R.	C.R.	I.I.R.
Max. temperature range °C
Dry air	+70	+70	+90	+90	+90
Hot oil	-	-	+120	+60	-
Hot water	+70	+80	+90	+70	+100
Min. temperature range °C	-40	-30	-20	-30	-30
General resistance to:
Mineral oil and fats	poor	poor	excellent	good	poor
Animal and vegetable oils and fats	poor/moderate	poor/moderate	excellent	good	good
Acids diluted	poor/moderate	poor/moderate	good	excellent	very good
Acids concentrated	poor/moderate	poor/moderate	good	good	good
Solvents aliphates; benzine, etc.	poor	poor	excellent	poor/moderate	poor
Aromatic compounds; toluene, benzene	poor	poor	poor	moderate	poor
Esters; ethers, alcohols	good	good	good	moderate/poor	good
Chlorinated; tetra, tri etc.	poor	poor	moderate	poor	moderate/good
Water absorption	very good	good/very good	good	good	very good
Sunlight +ozone	poor	poor	moderate	very	good poor
Elasticity	excellent	good	moderate/good	moderate/good	poor
Permanent deformation	good	good	good	good	moderate
Resistance to wear	excellent	very good	good	very good	moderate/good
Gas permeability	fairly limited	fairly limited	limited	limited	very limited
Electrical insulation	good/very good	good/very good	poor	moderate/good	good/very good
Hardness range (Shore A)	30-90	40-90	40-95	40-95	40-75
Note: This assessment must not be considered as binding. Consult the resistance list [here]

Chemical indication	Ethylene Propylene rubber	Chloorsulfoneerd polyethylene rubber (Hypalon)	Fluoroelastomer (Viton®)	Silicone rubber	Polyurethane rubber
International abbreviation	E.P.D.M.	C.S.M.	F.P.M.	S.I.(Q)	PUR (AU)
Max. temperature range °C
Dry air	+70	+70	+90	+90	+90
Hot oil	-	+60	+200	-	+60
Hot water	+120	+100	+150	+100	+40
Min. temperature range °C	-50	-10	-20	-60	-20
General resistance to:
Mineral oil and fats	poor	good	excellent	moderate	good
Animal and vegetable oils and fats	good	good	excellent	good	good
Acids diluted	excellent	excellent	excellent	excellent	moderate
Acids concentrated	good	good	excellent	moderate	poor
Solvents aliphates; benzine, etc.	poor	moderate/good	excellent	poor	moderate/good
Aromatic compounds; toluene, benzene	poor	moderate	excellent	poor	poor
Esters; ethers, alcohols	excellent	moderate/poor	poor	moderate	poor
Chlorinated; tetra, tri etc.	moderate/poor	poor	moderate/poor	poor	poor
Water absorption	excellent	good	very good	excellent	very good
Sunlight +ozone	excellent	excellent	excellent	excellent	good
Elasticity	moderate/good	moderate	moderate	moderate	good
Permanent deformation	good	moderate	excellent	moderate	moderate
Resistance to wear	good	very good	good	poor	moderate/good
Gas permeability	fairly limited	limited	fairly limited	fairly limited	fairly limited
Electrical insulation	excellent	good	good	excellent	good
Hardness range (Shore A)	40-90	40-95	50-90	30-85	50A-75D
Note: This assessment must not be considered as binding. Consult the resistance list [here]