Popular size is 3”( can be 76mm, 80mm or 83mm in diameter).
5 Arrow segments aligned in clockwise or counterclockwise direction. Arrow segments have larger perimeter so as to cut more aggressively into the concrete.
This 5 arrow segment grinding puck is widely used for opening and initial grinding of concrete surface in concrete floor polishing process. Aggressive plow shaped arrow segment design also works well for coating removal.
The bond of this grinding puck is available from super soft to super hard. Medium bond is recommended in most cases; soft bond for hard concrete; hard bond for soft concrete. Extra soft, super soft, extra hard and super hard can be made as per request.
Available grits of this grinding puck are 6#, 16#, 30#, 50#, 70#, 100#, 120#, 200# and 400#.
Back of this grinding puck can be velcro or metal with multiple holes and pins configurations to fit a wide variety of floor grinding machines like HTC, STI, Onfloor, Diamatic, SASE etc.
Color coded velcro and paint for easy identification. Color can be coded as per grit number or as per bond hardness.
Can be used both wet and dry though wet use is recommended.