Skin pack

Skin pack, or skin packaging, is a type of carded packaging where a product (or products) is placed on a piece of paperboard or in trays, and a thin sheet of transparent plastic is placed over the product and paperboard or trays.^[1]^[2]^[3] The printed paperboard/tray usually has a heat-seal coating. The plastic film (LDPE, ionomer, etc.) is softened by heat and draped over the product on the card/tray. Vacuum is used to assist a firm fit. The film bonds to the heat-seal coating on the paperboard.

The substrate can be either made specifically for skin packaging, or converted from other paper stock, such as corrugated board. The specially made sheets Solid Bleached Sulfate (SBS) are porous, and allow the vacuum to flow directly through the paper. Most other stocks need to have the sheet perforated with pinholes to allow airflow.

The skin-packed piece may then need to be cut into individual units. Cuts such as keyslots, round corners and internal die cuts may be added during the cutting process once the skin pack is secured tightly. ^[4]

Self-adhesive film with an uncoated card is also sometimes used.^{[citation needed]}

Skin packaging somewhat resembles a blister pack, with the major difference being that the plastic surrounding the product is formed over the product instead of being pre-formed.

Types of plastic film:

Polyethylene
Ionomer
PET

Meat

[edit | edit source]

Fresh meat can be vacuum-packed and skin-packed. Specialized packaging operations are needed to maintain product appearance and safety. Temperature control during the cold chain is needed for proper shelf life.^[5]

References

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^ US3966045A, Perdue, "Skin package", published Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
^ US3491504A, Young, "Method and apparatus for vacuum skin packaging", published Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
^ US3830365A, Holt, "Vacuum skin packaging and packages", published Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).

Yam, K.L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
Soroka, W, "Fundamentals of Packaging Technology", IoPP, 2002, Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).

v t e Packaging
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Containers	Aerosol spray dispenser Aluminium bottle Aluminum can Ampoule Antistatic bag Bag-in-box Bag Barrel Biodegradable bag Blister pack Boil-in-bag Bottle Box Bulk box Cage Case Carboy Carton Chub Clamshell Corrugated box design Crate Disposable cup Drum Endcap Envelope Euro container Flexible intermediate bulk container Flexible tank Folding carton Glass bottle Gunny sack Inhaler Insulated shipping container Intermediate bulk container Jar Jerrycan Jug Keg Mesh bag Multilayered packaging Multi-pack Packet (container) Padded envelope Pail Paper bag Paper sack Plastic bag Plastic bottle Retort pouch Salvage drum Sachet Water sachet Security bag Shipping container Shipping tube Skin pack Soy sauce fish Spray bottle Squround Stand-up pouch Steel and tin cans Tetra Brik Thermal bag Tub (container) Tube Unit load Vial Wooden box
Materials and components	Adhesive Aluminium foil Bail handle Bioplastic Biodegradable plastic BoPET Bubble wrap Bung Cellophane Closure Coated paper Coating Coextrusion Container glass Corrugated fiberboard Corrugated plastic Cushioning Desiccant Double seam Flip-top Foam peanut Gel pack Hot-melt adhesive Humidity indicator card Kraft paper Label Lid Linear low-density polyethylene Liquid packaging board Living hinge Low-density polyethylene Meat absorbent pad Metallised film Modified atmosphere Molded pulp Nonwoven fabric Overwrap Oxygen scavenger Package handle Packaging gas Pallet Paper Paper pallet Paperboard Plastic-coated paper Plastic film Plastic pallet Plastic wrap Polyester Polyethylene Polypropylene Pressure-sensitive tape Pump dispenser Screw cap Screw cap (wine) Security printing Security tape Shock detector Shock and vibration data logger Shrink wrap Slip sheet Staple (fastener) Strapping Stretch wrap Susceptor Tamper-evident band Tear tape Temperature data logger Time temperature indicator Tinplate Velostat
Processes	Aseptic processing Authentication Automatic identification and data capture Blow fill seal Blow molding Calendering Canning Coating Containerization Converting Corona treatment Curtain coating Die cutting Die forming (plastics) Electronic article surveillance Extrusion Extrusion coating Flame treatment Glass production Graphic design Hazard analysis and critical control points Hermetic seal Induction sealing Injection moulding Lamination Laser cutting Molding Package tracking Papermaking Plastic extrusion Plastic welding Printing Product development Production control Quality assurance Radio-frequency identification Roll slitting Shearing (manufacturing) Thermoforming Track and trace Ultrasonic welding Vacuum forming Vacuum packaging Verification and validation
Machinery	Barcode printer Barcode reader Bottling line Calender Can seamer Cap torque tester Cartoning machine Case sealer Check weigher Conveyor system Drum pump Extended core stretch wrapper Filler Heat gun Heat sealer Industrial robot Injection molding machine Label printer applicator Lineshaft roller conveyor Logistics automation Material-handling equipment Mechanical brake stretch wrapper Multihead weigher Orbital stretch wrapper Packaging machinery Pallet inverter Palletizer Rotary wheel blow molding systems Seed-counting machine Shrink tunnel Staple gun Tape dispenser Turntable stretch wrapper Vertical form fill sealing machine
Environment, post-use	Biodegradation Can collecting Closed-loop box reuse Environmental engineering Extended producer responsibility Glass recycling Industrial ecology Life-cycle assessment Litter Packaging waste Paper recycling PET bottle recycling Plastic recycling Recycling Reusable packaging Reverse logistics Source reduction Sustainable packaging Waste management
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Meat

References

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