Certificatation :ISO/ TS16949 Name: auto rubber dust boot Material : EPDM, MVQ,NR,MVQ,CR,ect Market: china, ... of U.S.A and JIS of JapanName: auto rubber dust boot, Elliptical rubber grommetsMaterial : EPDM, MVQ, NR, MVQ, , CR and some ... other rubber, ect Characteristic: Ozone resistant, High/ Low temperature resistant, ...