279pcs O-Ring Assortment 279pcs O-Ring Assortment1. Materials: NBR,also can be NR, HNBR, MVQ, ... , REACH,PAHS, PFOS,PFOA, FDA, NSF, KTW, WRAS, LFGB, etc.8. Documents: can provide full set of documents, including PPAP, control ... time: 1~2 weeks.13. Small order quantity is welcomed. O-Ring Assortment