A simple paper envelope made without additional glue or plastic to seal three of its sides. | Image: Fraunhofer IVV Although paper is a more environmentally friendly packaging material than plastic, it's often contaminated with additives, such as adhesives used to create a secure seal. That complica…
A new manufacturing process uses lasers to seal paper packaging instead of glue
A simple paper envelope made without additional glue or plastic to seal three of its sides. | Image: Fraunhofer IVV Although paper is a more environmentally friendly packaging material than plastic, it's often contaminated with additives, such as adhesives used to create a secure seal. That complica…
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