What paper is made of
A material made of plant fibres; the oldest find is from Fangmatan (2nd century BC), and Cai Lun improved the technique (105).
- Paper machine — uses. Industrial production.
- Cellulose — is made of. Paper is cellulose fibres.
- Bleach — is made of. Bleach makes paper white: without it wood pulp would be yellowish grey.