... product can be 0.1mm by compression.Perkins Oil Seal with Good Performance descriptions: Materialscan be ACM, NBR perkins ... oil seal, SI, HNBR, SBR, FPM, CR, BR, IIR, ... transparent, green, red, yellow perkins oil seal, etc.CertificationsAll manufacturing processes are complied with ISO9001:2008 and TS16949.Materials approvedMaterials ...