3M Hookit Disc, 8", P40E, 740I

3M Hookit Disc, 8", P40E, 740I

These Imperial Purple abrasives provide the greatest value per dollar and the highest quality abrasive minerals available. 3M's fastest cutting, longest lasting abrasive for saving labor and materials costs with excellent All these discs have a stearate coating to prevent loading and provide a consistent finish; resin bonded for heat resistance Excellent for use on tough marine gelcoat, paint and primers 740I dark purple discs are very coarse, with a non-loading open coat abrasive pattern on a heavy E-weight paper backing745I light purple discs come only in 80 grit, they have an evenly distributed closed coat abrasive pattern on a heavy E-weight paper backing 734U light purple (moderately coarse grits) discs are constructed of a unique blend of aluminum oxides and an incredibly durable man-made ceramic mineral, Cubitron, on a C-weight paper backing 334U light purple discs (finer grits) are constructed of a carefully graded, higher performance aluminum oxide mineral on a C-weight paper backing Priced by the box; 11.25 discs priced by the each Note: During 2009 3M will be switching these same part numbers over to discs with the better performing multi-hole Clean Sanding hole pattern. Paint & Epoxy Supplies

3M Hookit Disc, 8", P40E, 740I

These Imperial Purple abrasives provide the greatest value per dollar and the highest quality abrasive minerals available. 3M's fastest cutting, longest lasting abrasive for saving labor and materials costs with excellent All these discs have a stearate coating to prevent loading and provide a consistent finish; resin bonded for heat resistance Excellent for use on tough marine gelcoat, paint and primers 740I dark purple discs are very coarse, with a non-loading open coat abrasive pattern on a heavy E-weight paper backing745I light purple discs come only in 80 grit, they have an evenly distributed closed coat abrasive pattern on a heavy E-weight paper backing 734U light purple (moderately coarse grits) discs are constructed of a unique blend of aluminum oxides and an incredibly durable man-made ceramic mineral, Cubitron, on a C-weight paper backing 334U light purple discs (finer grits) are constructed of a carefully graded, higher performance aluminum oxide mineral on a C-weight paper backing Priced by the box; 11.25 discs priced by the each Note: During 2009 3M will be switching these same part numbers over to discs with the better performing multi-hole Clean Sanding hole pattern.