... /NBR/FKM/VITON/FPM/SIR/EPDM/ACM/PA/PU/PE/PTFE/POM/PVC/ABS/PS etc.. Materials: NBR, FKM/FPM/VITON ... ,SIL,ACM,EPDM,H-NBR,NR,PA,PU,PE,PTFE,POM,PVC,ABS,PS etc.Applications: automobile, motocycles, agricultural machinery ... samples or draft/ customers' design and specification are accepted. Nylon seal ring,PTFE flat washer,PA flat washer