What is polystyrene foam made of?
Polystyrene foam takes polystyrene and pentane directly. Trace them back and you pass 8 made things on the way to 4 raw materials.
How polystyrene foam is made See it on the map
What goes straight in
From the ground: 4 raw materials
- Natural gas through pentane
- Crude oil through pentane
- Water through polystyrene, ethylene
- Coal through polystyrene, benzene, toluene