Other potential environmental problems from the use phase of plastic packaging are unintended leakage of harmful packed goods or the deterioration of packed goods resulting from improper resealing of the packaging after initial use. Residues of contents that cannot be removed, or which can only be removed with great difficulty, from the packaging are also problematic from an environmental perspective. The contents produced using valuable resources are thus wasted and this can also significantly impair the recycling of packaging materials.
The specific approaches addressing this are
- Safe resealing
- Easy portioning and complete emptying
When considering the environmental footprint of packed goods, it may be justified to use a little extra packaging material to achieve this goal.
In addition, bearing in mind the inadequate waste disposal structures in some supply regions, it cannot be ruled out that packaging waste may be disposed of there under primitive conditions, for example for heating or cooking purposes, may be reused for entirely different purposes such as building material, or may simply be dumped in the environment. In unfavourable conditions, health risks can result from such unexpected improper uses. A design to reduce material risks as a result of improper use is helpful here.