Ceramic Purple Sanding Bands from 3M. Use with mandrels A-SD324 or A-SD184.
Made in USA. 40000 RPM Max Speed.
3Ms Ceramic Purple Abrasives are excellent for sanding and finishing wood metals fiberglass diestone plastics and other materials. 3Ms Cubitron ceramic aluminum oxide mineral sharpens itself with use. Once initial grinding wears the grain flat it fractures along micro cracks creating new cutting edges. This process repeats itself throughout the entire grinding process.
2 to 4 times longer abrasive life than traditional aluminum oxide bands and discs
Faster stock removal with less heat and loading
Available in 80 and 120 grit
Use the Sanding Bands with 3/32" (2.35mm) and 1/8" shank rubber drum mandrels. To install slip band onto rubber drum with screw loose. When band is in position tighten the screw which expands the rubber drum for a secure hold.
*Optimum Operating Speeds are much lower (between 25%50% of maximum speeds) and also depend on the type of work piece.