Pharmaceutical tablet coatings generally consist of a sugar or cellulose based binder, plasticizer, film-forming agent and colorant. These ingredients are supplied in granulated or powder form for dispersion in aqueous or organic solvents at concentrations varying from 10 to 20 percent depending on the desired properties and formula.
With a Silverson high shear mixer the ingredients are quickly dissolved and dispersed, resulting in a uniform dispersion in a fraction of the time taken by conventional mixers. For more information about this specialized application, please read the report below.
Manufacture of Pharmaceutical Tablet Coatings
Pharmaceutical tablets are given a coating for a number of reasons:
• To improve the appearance and aid identification...