Friability test apparatus
Used to determine the durability and abrasives of tablets
a transparent Perspex (Made of imported Perspex sheet 6.4 mm thick) 300 mm dia
x 35 mm deep and white cover disc and nut also a shaped radial fixed blade
which carries the tablets along with it up to the central height and lets them
off while the drum is rotating thus the tablets rub against each other without
any hard impact the drum rotates at a fixed speed of 30 R.P.M by a geared motor
and the rotations period is controlled by a timer (imported time switch duration
1 to 15 minutes) per determined end preset the motor unit is housed in a shaped
steel cabinet with shaft extended on one side upon which the drum rotates
switches with neon indicators and time switch are fitted on a panel and
provided work on 220 volts. 50 C/s A.C