3M 664X鉆石研磨砂紙 型 號(hào): 3M 664X 產(chǎn) 地: 美國(guó) 運(yùn) 輸: 海陸空 3M(TM) Diamond Lapping Film 664X Type P, 45 Micron PSA Sheet, 3 in x 6 in, 25 per inner 250 per eCombines micron-graded diamond particles, highly uniform polyester film, self-adhesive backing with resin bond that is harder than standard product. Used primarily in roll microfinishing and superfinishing applications and flat lapping operations.Specifications: Grade - 45 Width - 3 IN Length - 6 IN