Interpretation of liners and inks

A white sheet of paper that is glued on the front cover or under the cover. The backing paper is used to cover the cover and the book block, and has the function of protecting the book block. There are two kinds of liners, leaflets and double sheets.

Ink uniformly dispersed by a colorless or colored toner particles in the stretching agent, and to fit the particular needs of the printing process and the material, filler and additives added, having fluidity and a certain object or paste.