Dunnage
Material used to fill voids and stop load movement in transit.
Anything placed in a load to keep it from shifting: inflatable bags between pallets, board, foam, air pillows, blocking and bracing. Good dunnage is often cheaper than the damage it prevents, and reducing void space usually reduces the dunnage needed in the first place.
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TermTertiary packaging
The transport layer: pallets, stretch film, edge protection, dunnage.
TermSlip sheet
A thin sheet used in place of a pallet, moved with a push-pull attachment.
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Educational content. Not engineering or regulatory advice — confirm ratings and specifications with your supplier and the applicable regulations.