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moellers stretch hooder

Metral stretch hooder

 

WHAT?   HOW?   ADVANTAGES   STRETCH FILM   MACHINES

 

high capacity stretch hood machine

 

Stretch hood packaging technology means improved packaging quality ! Pallets packed by stretch hoods are absolutely waterproof : the foil covers the entire pallet and goes until under the pallet. When using a plastic sheet on the pallet before piling up the goods, the pallet will even be waterproof from under to up the pallet !

With stretch wrapping foil you have only horizontal tension to keep the pallet together, with stretch hoods you have tension in both horizontal and vertical directions, this means that the goods are pressed downwards on to the pallet. Moreover the holding force on the goods is higher than with shrink hoods or stretch wrapping foil.

Stretch hood technology doesn't need an oven to be warmed. By consequence energy consumption is very low. This also means more safety on the workfloor and lower insurance fees due to lower fire risk !

 

The stretch hood foil has the advantage that it follows narrowly the form of the pallet.  This is very important when you work with irregular pallets.

Stretch hoods don't stick to the goods piled on the pallet! With shrink hoods you could be confronted with melted plastic on the shrink foil underneath (example cans in shrinkfoil or plastic bags on pallet packed with a shrink hood). With stretch hoods this problem cannot occur !

Stretch hood technology has the opportunity of being very fast. With one single performant line you can easily pack more dan 150 pallets an hour !

With one foil size you can wrap different sizes of pallets ! Their are certain limitations but with two dimensions you should be able to cover most of the standard pallet, going from half an europallet (60*80 cm) until a double europallet (120*160 cm)

The optical properties of the stretch hoods are much better. Plastic Union's stretch foil has an excellent transparancy and a very high brillance.

Foil consumption is lower with stretch hoods than with shrink hoods. Since stretch hoods are being used thinner and thinner it becomes even more economic as stretch wrapping foil ! Using less materials for a same packaging is also more ecological !

Another interesting point of using stretch hoods are the low maintenance costs of the machine due to less moving parts and less heated parts than other packaging systems !

 

 

Comparison between different packaging systems

 

  Stretch hoods Shrink hoods Stretch foil
Holding strength Highest High High
Energy Consumption Low High Low
Roll changes Fewest Few Many
Film consumption Low High Low
Optical properties Highest High Low
Manual wrapping no yes yes
Automated wrapping yes yes yes
Water proof yes yes no
Packaging speed < 200 plts/hr < 100 plts/hr < 100plts/hr
Safety at packaging High Low High
Ability to recycle foil High High Low
Investment cost Medium High Low
Printability High High Low
Pallet diversity Medium Low High