... , FKM/FPM/VITON,SIL,ACM,EPDM,H-NBR,NR and metal etc.Applications: automobile, motocycles, agricultural machinery, trucks, buses, trailers ... and exercise equipments.Hardness Shore A (-/+): 40-95Working Temperature: - ... ACM/PA/PU/PE/PTFE/POM/PVC/ABS/PS etc.. POM products POM,Acetal,Delrin gear and mold Support Ring