What are pharmaceutical film coatings? Part 1 -Tablets
There a many reasons for coating of different pharmaceutical products such as pellets, granules, capsules, powders and crystals. In this article, we will concentrate on the film-coating of tablets.
The procedure of coating tablets is a complex process that results in the forming of a thin layer around the tablet. This layer is in the range of 20 to 200 μm in thickness, or around 1 to 9% of the initial weight of the tablet. As a reference, a human hair is usually around 100 μm thick, much like the typical thickness of an immediate release coating. Continue reading here to get more insights on:
- Main reasons for coating tablets
- The composition of a typical coating formula
- Application of typical coating formulas
- Recommendations regarding the core tablets