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Difference between sugar coating and film coating
May 22, 2018

There are some difference between sugar and film coating :


Film CoatingSugar Coating
TABLET

Appearance
  • Retains contour of original

  • Usually not shiny

  • Rounded with high degree of polish

  • High colored

Weight increase due to coating materials2-3% (it is a thin coat)50-100% (very high coat)
Logo or breaklinePossible during tablet compression by tablet punchesBreak-line are not possible; logo is only achieved by printing
PROCESS

StagesUsually single stageMultiple stages
Equipmentrequires one piece of equipment uses several different pieces of equipment, and is difficult to complete on a small scale
Typically batch coating time1.5-2 hours More than 8 hours, could be days
Functional CoatingEasily adaptable for modified releaseMostly for immediate release tables, unless specials treatment during the sealing stage







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