What are pencils made of?
Pencils take 9 things directly, among them natural graphite, clay, water, paraffin wax, lumber and adhesive. Trace them back and you pass 34 made things on the way to 15 raw materials.
How pencils are made See it on the map
What goes straight in
- Natural graphiteat Wet-mix the core paste
- Clayat Wet-mix the core paste
- Waterat Wet-mix the core paste
- Paraffin waxat Soak them in wax
- Lumberat Groove the cedar slats
- Adhesiveat Sandwich and glue
- Paintat Paint and add the eraser
- Aluminumat Paint and add the eraser
- Vulcanized rubberat Paint and add the eraser
From the ground: 15 raw materials
- Natural graphite goes straight in
- Clay goes straight in
- Water goes straight in
- Crude oil through aluminum
- Timber through lumber
- Coal through aluminum
- Natural rubber latex through vulcanized rubber
- Sulfur through vulcanized rubber
- Natural gas through paraffin wax, hydrogen
- Titanium ore through paint, titanium dioxide
- Iron ore through paint, pigment
- Bauxite through aluminum, alumina
- Air through vulcanized rubber, carbon black
- Rock salt through adhesive, epoxy, caustic soda
- Limestone through aluminum, alumina, quicklime
Made along the way: 28 things
Metals 2
Chemicals and fuels 21
HydrogenTitanium dioxidePigmentPetroleum cokeCarbon blackEthylenePropyleneAmmoniaSulfuric acidMethanolPhenolAcetoneChlorineCaustic sodaNitric acidOxygen gasQuicklimeNaphthaBenzeneStyreneToluene