ELASTOMER SELECTION GUIDE
l Excellent s Good u Fair t Not advisable
ELASTOMER NR
Natural
rubber		 SBR
Styrene
butadienne		 EP
Ethylene
propylene		 NBR
Nitrile
 		 NBR/PVC
Nitrile
+ PVC		 CR
Neoprene
 		 CSM
Hypalon
 		 ECO
Epichloro
hydrinic		 VMQ
Silicone
rubber		 FVMQ
Fluoro
silicone		 FKM
Viton
 		  
Urethane
 
Hardness SH A
(min. & max.)		 30 / 95 40 / 95 40 / 90 30 / 95 45 / 95 20 / 90 40 / 95 40 / 90 30 / 80 40 / 70 60 / 95 40 / 85
Tensile strength l s s l s l s l l s s u u u u l
Elasticity l s s u u u t l s u s u l s l u t l
Abrasion
resistance		 s l s s l l l s l s s u u u s u s
Gas impermeability u s u u l s l s s s s t t l u
Compression set l s l s l l s s u s s u s u l l l s s u
Min. service
temperature: °F 		-45 -30 -35 -30 -20 -30 -15 -40 -70 -60 -10 -10
Max. service
temperature: °F 		212 250 350 250 250 250 300 250 400 400 500 212
Colourability Color
+ black		 Color
+ black		 Color
+ black		 Color
+ black		 Color
+ black		 Color
+ black		 Color
+ black		 Color
+ black		 Color
+ black		 Color
+ black		 Color
+ black		 Color
+ black
Flame resistance t t t t u l s l s l s u u t l t
Weathering &
ozone resistance		 t t l t l s s l l s l l l s
Aliphatic
hydrocarbon
resistance		 t t t l s l s u s u l u l l l
Aromatic solvent
resistance		 t t t u u t t u t l s l l
Chlorinated
solvent resistance		 t t t u t u t t t u t s l t
Chemical resistance ON REQUEST