Properties and grades of elastomer gaskets

This overview is intended to help you select suitable materials for your particular needs.

        Resistance
Elastomer AWS designation Colour Shore hardeness (+/-5) Cold (in °C) Heat (in °C) Weather ageing Ageing to oil to petrol to acids to alkalines
SBR G black black 65 -35 70   o     o o
NR/SBR Para SL grey grey 40 -30 80   o     o o
NR/SBR OL light light 60 -30 80   o     o o
EPDM GIMW DIN 86076 black 68 -30 100 x x     x x
EPDM EPDM 65 black 65 -40 130 x x     x x
EPDM EPDM KTW black 63 -30 100 x x     x x
NBR/PVC OB dark black 65 -20 120 o o x x o o
NBR OBM black 66 -25 80 o o x o   o
NBR GIMO DIN 86076 black 72 -25 100 o o x x    
NBR PBN hard black 90 0 130 o o x x   o
CR/SBR NP 63 black 70 -20 100 x x x o    
CSM/EPDM Hypalon black 65 -10 120 x x x   x x
PUR Vulkollan D15 natural 70/80/90 -35 120 x x x x    
PUR Polyurethan D44 natural 70/80/90 -35 120 x x x x    
MQ Silicone transp. transparent 60 -60 200 x x o      
MQ Silicone red red 60 -60 250 x x        
FKM Fluorcarbon rubber black 75 -10 275 x x x x x x
PVC PVC yellowish transp. 70 -20 80 x x     o o
NBR/cork RGC 257 brown 40 - 60 -20 120     x      
NBR/cork RGC 210 brown 60 - 80 -20 135     x      
  x = resistant, o = limited resistance