Feature: Color: Grey / Black / Green / Red Granularity Grades: Very Fine Please choose the shape and granularity grades of the instruments according to the work requirements. Warning: Please use our products as the instructional speed .we are not responsible for the damage caused by wrong operation. Please choose the shapes and granularity grades of the instruments according to the work requirements Special for Non-precious and scmi-precious metals workpiece Material:synthetic rubber mixing with normalabrasive Usage:For finishing and polishing titanium alloy/pure titanium/nickel-chrome alloy/ cobalt-chrome alloy dental workpiece,such as forsteel teeth/inner crown/ steel frame/steel base finishing,smoothing and polishing Item numbe: RF 0091 Recommended R.P.M: 20,000-30,000/min Size: 22*3 Color Description Grit(μm) Grit Medium(μm) Grit MarK Black Extra Coarse 151 to 213 181 D151 to D213 Red Coarse 107 to 181 151 D107 to D181 Green Medium Coarse 27 to 76 46 M27 to M76 Grey fine 4 to 14 8 M4 to M14 |