Package cushioning
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Package cushioning is used to protect items during shipment. Vibration and impact shock during shipment and loading/unloading are controlled by cushioning to reduce the chance of product damage.
Molded expanded polystyrene cushioning
Transit case showing internal shock mounting
End caps and corner blocks
Molded pulp cushioning
Foam
Videos
Foam is a two-phase material system and a type of dispersed media, consisting of gas cells dispersed in a continuous liquid or solid phase to form a cellular structure. In most foams, the gas occupies
Package cushioning
…to crush and deform under shock stress and provide some degree of cushioning. Paperboard composite honeycomb structures are also used for cushioning. Foam structures Several types of polymeric foams are used for cushioning, the most common being expanded polystyrene, polypropylene, polyethylene, and…
Top of a foamy drink
Schematic stress-strain curve of an elastomeric foam, demonstrating the three regions which are linear elastic, cell-wall buckling, and cell-wall fracture, where the area under the curve specified represents the energy per unit volume the foam can absorb.[citation needed]
Cleaning sponge
Soap foam bubbles