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Calibration of friability test apparatus

  • Measure the friability drum internal diameter, it should be between 283 and 291 mm. Measure the friability drum depth, it should be between 36 and 40 mm. Measure the curved projection, it should have inside radius between 75.5 and 85.5 mm. Check the speed of the friability drum, it should rotate at 25±1 rpm.