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Siliconnitride Grinding Steps Surface Abrasive Lubricant Type Disc speed (rpm) Type Predosing/dosing Type Predosing/dosing Force (N) Holder direction Holder speed (rpm) Time (min) PG MD-Piano 120 300 Water 35 >> 150 1 Ceramics DiaPro 897 FG MD-Largo 150 DiaPro Allegro/Largo 9 µm 3/6 FG 2 MD-Largo 150 DiaPro Largo 3 µm 3/6 50 40 >> >> 150 150 6 6 Method comments The method is developed to fit a standard equipment configuration with 30 mm specimen on 300mm disc. Dosing levels are valid for following equipment: Tegramin, AbraPol and LaboPol For advice on how to adjust the method to fit your equipment, please take a look at Preparation Parameters. The preparation time for the plane grinding (PG) step depends very much on the condition of the samples and if they are prepared as single specimens or clamped in a specimen holder. Please check the samples after the first step and repeat it if necessary. Take a look at Preparation Parameters