3M柔性钻石砂布带3M 6450J 3M 6451J 3M 6457J 3M 6456J 3M 6455J 3M Flexible Diamond BeltsImproved performance and longer life P roduct I.D. Ty p e A p p l i c a t i o n s / C h a r a c t e r i s t i c s 3M 6450J C Suitable for slack belt operations such as glass seaming3M 6451J G Offers least amount of stretch for use with contact wheels3M 6457J VY Very flexible for use on contoured surfaces3M 6456J YFB For centerless finishing where caliper cool is important3M 6455J VF2 Most flexible for use on highly contoured surfaces Stock removal (pattern B2) Finishing (pattern 18)Micron 250 125 74 40 20 10Mesh 60 120 200 400 800 1800Splice Color green black red yellow white blue