Polypropylene as final container
The use of polypropylene as raw material for your final container has proven itself in the pharmaceutical industry in recent years very well, so many manufacturers already benefit from the numerous qualitative and economic advantages.
Through a sophisticated clean room concept and the high processing temperatures the subsequent cleaning processes can be minimised before they can be supplied to the aseptic filling process. The easy blowing with sterile filtered and ionized air is most effective and sufficient in most cases.
In the last step of this chain after the filling, the cap is moulded onto the container. Of course, this particular step can only be performed with sophisticated components that ensures to not endanger the products quality thermally or by particles.
The main advantages of polypropylene are that the manufactured bottles and bags can be made very thin walled, which reduces production costs significantly. When emptying they are flexible enough to collapse, so abreathing filter is not required any more. If necessary they can be sterilized with its contents at temperatures up to 121°C. The biggest advantage is found naturally in the mechanical strength resistance. No more broken glass!
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