Kraft liner: Kraft liner is the strong board used for the flat outer and inner faces of corrugated board.
In more detail
In corrugated board, liners are glued to a wavy flute. The liners carry most of the compression load.
Why it matters
Liner grade drives box strength more than any other component.
How it is measured or specified
Specified by GSM, BF and, for stacking performance, ring crush.
Questions
What is Kraft liner?
Kraft liner is the strong board used for the flat outer and inner faces of corrugated board.
Why does Kraft liner matter to buyers?
Liner grade drives box strength more than any other component.
Why does Kraft liner matter?
Liner grade drives box strength more than any other component.
Explain Kraft liner in more detail.
In corrugated board, liners are glued to a wavy flute. The liners carry most of the compression load.
How is Kraft liner measured or specified?
Specified by GSM, BF and, for stacking performance, ring crush.
What is Corrugated board and ply?
Corrugated board is made of flat liners glued to wavy flutes. "Ply" counts the layers: 3-ply has two liners and one flute.
What is Burst factor?
Burst factor is the bursting strength of paper divided by its grammage. It lets buyers compare the strength of grades of different weights.
What does Bollant Industries make?
Recycled paper and board, industrial paper products such as cores and cones, corrugated and printed packaging, paper tableware, areca and sal leaf tableware, inks, adhesives and laminating films, and a small home and professional care range.