10 September 2019 Tablets & Capsules
A
tablet press forms pharmaceutical or nutraceutical tab-
lets by compressing a powder or granular formulation
between two steel punches within a hole bored into a
steel die. A typical tablet consists of convex upper and
lower faces formed by the concave tip (called the cup) at
the end of each punch and a band between the two faces
formed by the wall of the die bore.
Protrusions that form along the tablet band during
compression are called flashing. Flashing can occur
Flashing is a common problem for manufacturers of pharmaceu-
tical and nutraceutical tablets. This article explains what causes
flashing and provides measures you can take to prevent it.
Flashing during tablet compression
Mike Beyl
Wilson Tool International
tableting
