Radial Shaft Seal Catalog  
 

STANDARD MATERIAL PROPERTIES

 
ASTM/DIN ISO NBR ACM VMQ FKM (FKM) HNBR (NEM) PTFE FKM*
Wear Resistance very good moderate moderate very good moderate good very good
High Temperature Oil Resistance

moderate

max. 100 C

max. 80 C in heavy oil

good

max. 150 C

very good

max. 180 C

very good

max. 200 C

(max 150 C operat.temp.)

good

max. 150 C

(max 140 C operat.temp.)

good

max. 200 C

very good

max. 200 C

(max 140 C operat..temp.)

Low Temperature

-40 C -30 C -50 C -25 C -40 C -80 C -10 C

Oil Resistance

good good moderate very good good extremely good extremely good
*special