Home Background Problem Solution Next Steps Bibliography
A toner particle
(carbon black)

(weight = 1 nanogram)

Toner carrier bead (polymer)
coated with toner particles
(size= 100 microns)

How toner is made


Toner is typically composed of a mix of two materials:
  • 80% - 90% ‘plastic’ polymer
  • 10% - 20% carbon black pigment
Both of these materials have their origins as petrochemicals.

Toner is essentially a plastic polymer bead, studded with carbon black.