date:Oct 24, 2012
ulp be preserved and it was stored in wooden barrels, which were eventually replaced by HDPE drums. Today it is stored in an aseptic bag-in-box, and no preservative is used.
RETORTABLE POUCHES
Retortable pouches have recently been introduced. The system comprises five-layered laminates, and the inner walls of these pouches are made of sealable polythene. Over the years, this system has undergone a number of changes. Toothpaste manufacturers, who used to use aluminium tubes in the past, now use