What are surgical masks made of?
Surgical masks take polypropylene directly. Trace them back and you pass 4 made things on the way to 3 raw materials.
How surgical masks are made See it on the map
What goes straight in
From the ground: 3 raw materials
- Crude oil through polypropylene, propylene
- Water through polypropylene, propylene, naphtha
- Natural gas through polypropylene, propylene, naphtha, hydrogen