Assembly Line

What are felt-tip markers made of?

Felt-tip markers take 7 things directly, among them polyester, nylon, phenolic resin, polypropylene, ink and ethanol. Trace them back and you pass 32 made things on the way to 16 raw materials.

How felt-tip markers are made See it on the map

What goes straight in

From the ground: 16 raw materials

Made along the way: 25 things

Metals 1

Chemicals and fuels 20

Plastics and fibers 1

Food 3