3M 236U Hook and Loop Sanding Disc, 5 in Dia, Non Vacuum, Aluminum Oxide, P120 Grit, C Wt Paper J2S2 It is rated for automated It is rated for automated flow control in corrosive indoor or outdoor environments QQ B 654a BAg 5 Application General Purpose Filler for Steel and Copper Alloys Brazing Range (F) 1225 to 1370 Type Flux Coated Container Tube Material Safety Silv 45 Flux Coated Alloy Type High Silver AWS Classification BAg 5 Finish Coating Flux Coated Silver Content 45 % Flux Application Flux Not Required Alloy Form Rod Fluidity Rating 6 236U Hook and Loop Sanding Disc Series 236U Product Type Hook and Loop Sanding Disc Diameter 5 in Grit P120 Abrasive Aluminum Oxide Backing C Wt Paper Package Quantity 250 Country of Origin Canada