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How to cover a tablet?

We present great parts of theoretical knowledge, so that our customers could evaluate and understand the uniqueness of our concentrated tips and recommendations..

Theoretical materials on the website www.Tabletpress.ru

Copy only by approbation of Roman Tsibulsky

1. Tablets may be covered various protective shells. Thеsе shells may be based on glazes or polymeric compositions. Shells can be single-layer and multilayer. In cases when the liquid forming the shell softens tablet are used priming compositions. After applying of protective layer is applied colored layer.

2. There are several types of coating equipment for tablets. Standard dragee pans work as follows: into rotating at an angle and preheated pan is placed portion of tablets, then into through dispenser injected by portions the shell-forming liquid. Rotating pan turns tablets that rub against each other and spread a layer of shell. This method is suitable for semi-spherical tablets without logos. Because shell rounds the edges of tablets and can completely fill the imprint of logo on the tablet surface.

3. More perfect way of coating tablets, when in a special flask tablets take the air, where they are sprayed liquid from nozzles with different sides. In this case, coating layer is much thinner, each subsequent layer is dried. At the same imprint of logo is clearly readable on the surface of tablets. There are also semi-automatic variations of tablet coating, please contact, I shall advise.

4. Before buying Dragee equipment you have to realize, it may be easier and cheaper to paint the tablet mass. For example, if you are using wet granulation and all the same will dry out your granules. You can add dye into the liquid, wich is moisturizing your powder and dye whole mass of the powder. Then from colored powder make tablets.
  
  

Questions about tablets

To all the questions related with production of tablets you can find answers on resource www.Tabletpress.ru