
- Hollow tube of molten plastic is extruded.
- This tube is enclosed in a mould.
- Air is blown into the tube, expanding it to fill the mould cavity.
- The plastic cools and hardens in the shape of the mould.
- Creates hollow plastic parts in one piece.
- Commonly used for bottles and containers.
[understand the processes of vacuum forming and blow moulding to create blister packaging – IG]