Rubi - Diamond Disc for Dry Polishing Ø100 mm – #400 Grit (62973)

• The medium roughing disc (#400). Maximum working speed: 3,000 RPM
• ✅ Color identified and sorted for quick and easy identification
• ✔️ Excellent finishes on any flat top and in the execution of beveled marbles, granites, other natural stones and cured concrete
• ▪️ Initial polishing: #50 and #100 grit | Medium roughing: #200, #400 and #800 grit | Final polish: #1500 and #3000 grit
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RUBI polishing discs are specially designed for dry work on natural stone surfaces, especially granite and marble, as well as cured concrete. These polishing discs offer the construction professional, excellent finishes on any flat surface and in the execution of bevels in marbles and granites, other natural stones and cured concrete. RUBI's range of polishing discs for dry work consists of different granulometries: 50, 100, 200, 400, 800, 1500 and 3000. All of them identified and classified by colors, for quick and easy identification. Grit 50 and 100 grinding discs are for initial work, when a larger grain is necessary and their maximum working speed should not exceed 3,000 rpm. 200, 400 and 800 grit grinding discs are for medium roughing jobs and their maximum working speed is 3,000 rpm. The 1500 and 3000 grit grinding discs are the finest and most recommended for final polishing jobs. Its maximum working speed should not exceed 3,000 rpm. Finally, and to complete the range of polishing discs, RUBI incorporates its polishing disc (BUFF), necessary for the final finishing in the works of polishing natural stones and cured concrete. The maximum working speed of this disc is 3,000 r.p.m.