FF87 240 grit 940 mm x 60 mm is a our high performance ceramic abrasive belt material with a a waterproof backing. more flexible than the FX87
We recommend FF87 where high pressure / high volume stock removal is required on stainless steel, steel and aerospace alloys. for fine grinding
FF87 performs really well on wide belt sanders for graining stainless steel, on backstand grinders for stainless steel and high pressure steel applications and also on the Garboli through feed tube grinders and polishers.