A. Seal coating: This coating is useful for the protection of tablets.
B. Examples: shellac and zein
C. Sub coating: In this layer binder and inert materials are increase the weight.
D. Examples: kaolin and caco3 are used as sub coating materials
E. Syrup coating: In this layer simple syrup, colorants and plasticizers are used.
F. Finishing: This is to observed imperfection.
G. Polishing: For glossy appearance. In this layer waxes are used to polishing.
H. Example: bees wax, carnauba wax