
Creasing Channel Selection for Laminated Folding Boxboard Conversion
Select creasing channels for laminated folding boxboard using wider channel factors to protect surface polymer films from tensile rupture during folding.

Select creasing channels for laminated folding boxboard using wider channel factors to protect surface polymer films from tensile rupture during folding.

Matrix channel width equals creasing rule thickness plus board caliper multiplied by grade constants ranging from 1.4 for SBB to 1.7 for WLC.
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