3M 463X精密研磨砂纸
3M  Lapping Film, 463X Rolls 
Micron graded silicon carbide particles coated on a 3 mil polyester backing. Used primarily on thermoset and thermoplastic MT connectors as a precursor to the flocked products. Available in 3 micron grade rolls.

Product ID	Backing Type	Backing Thickness	Resin Type
061X	Polyester	3 mil
254X	Plain	2 mil	Standard
261X	Plain	3 mil	Standard
262X	Plain	3 mil	Soft (Type F)
263X	Plain	3 mil	Hard (Type P)
265X	PSA	3 mil	Soft (Type F)
266X	PSA	3 mil	Hard (Type P)
268X	PSA	3 mil	Standard
452X	Plain	2 mil	Soft (Type F2)
461X	Plain	3 mil	Standard
462X	Plain	3 mil	Harder resin
463X	Plain	3 mil	Easy breakdown resin for MT connector polishing
464X	Plain	3 mil	More durable resin (Type P)
466X	PSA	3 mil	More durable resin (Type P)
468X	PSA	3 mil	Standard
468XW	PSA	3 mil	Easy breakdown resin for MT connector polishing
468XY	PSA	3 mil	Harder resin
562X	Polyester	3 mil	Standard
863X	Polyester Film	3 mil	Standard
863XW	Polyester Film	3 mil	Standard
865X	Polyester Film	3 mil	Durable Resin
869X	PSA	3 mil	Standard
869XW	PSA	3 mil	Standard

链接http://solutions.3m.co.uk/wps/portal/3M/en_GB/electronics/home/productsandservices/products/abrasives/LappingFilm/