1.Rebound & tear resistance,impact strength resistance ect. 2.ISO/TS16949,ISO9001:2000,ROHS 3.OEM ... InfoProductRubber plugModel NO.KT2624-2OriginChina(mainland)MaterialEPDMPerfermanceRebound resistance, tear resistance, impact strength resistance, oxygen resistance, ozone resistance, weathering resistance,flame resistance, heat resistance, and corrosion resistanceCertificateISO/TS16949,ISO9001:2000 ...