Plastic Recycling

1. Most common plastics - Polyester (PET), polyethylene, and PVC. [1]. Recycling symbols - [2].
2. Why plastics warp when 3d printing - [3]. About Glass Transition temperature - [4]
3. Solutions for recycling must include:
   1. High temperature printing chambers for effective printing in many materials.
   2. Recycling infrastructure for effective recycling to filament