1. Water proof cv joint boot 2. Aging resistant. 3. Certification: ISO9001:2008,TS16949,ROHS, ... etc. 4. OEM/ODM highly welcomed. Rubber cv joint boot descriptions: 1. Materials: EPDM, NBR, SI, HNBR. ACM, SBR ... and steam proof, good insulation, etc. 4. Applications: used in mechanical, also can be in automobile, electrical appliance, industrial, construction, or ...