Transverse hygroexpansion in recycled paperboard drives interfiber bond dislocation and mechano-sorptive creep under cyclic moisture, accelerating compressive loss.
Dynamic delamination thresholds in recycled calipers dictate converted score integrity, requiring minimum inter-ply shear energy dissipation under high strain rates.
Polymer film pinholing across creased recycled stock stems from hornified fiber end punctures under high dynamic strain rates during package converting.
Recycled fibre shortening and hornification limit bending strain, requiring wider matrix channels and virgin top layers to prevent score cracking.
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