Mass per unit area of a paper, given as grammes per square metre (gsm or g/m2).

In the manufacture of Corrugated board, one piece of fluting glued to one liner only, see Fig. 2  (Not to be confused with the same term in relation to presentation of an on-shelf pack)

Standard Regular Case with outer flaps meeting both top and bottom for sealing, see FEFCO case codes

Papers of 220 gsm and above are often referred to as board.

Strength test, the maximum loading before collapse.

A paper product made from one or more layers of fibrous cellulose material.

Consists of one or more sheets of fluted paper between outer and inner liners.

A central card tube that is used to wind paper on, allowing reels of paper to be positioned on to the corrugator before being made into board.

A machine that makes corrugated board from fluting and liners.

The width of the paper or board being run on a Corrugator.