FretFoil Packaging Birmingham Midlands
Polythene bags Packaging Suppliers in Birmingham and the West Midlands
In order to tackle what is being nicknamed as “throwaway culture” nearly all retailers, small or large could be made to charge 5p for plastic bags under proposed government plans.
All retailers in Wales and Scotland were already made to charge 5p for plastic bags when the rule first came into formation in 2015, however, in England, it was only retailers that employed more than 250 workers. Continue reading “All shops set to charge for plastic bags”
Companies that ship their products understand the importance of protective packaging.
The hazards that are associated with poorly protected products extends beyond the loss of time and money. In order to ensure the product makes it to its destination securely, there a number of steps to follow to make sure the product makes it into your customer’s hands the way it was intended.
Continue reading “What protective packaging do I need for my products?”
Many people don’t give thought to how shrink wrap works or how it wraps a package in the first place.
Shrink wrap requires the manipulation of molecules; polymers are long molecules found in plastic where they are usually tangled and random. When those polymers are made into plastic film for the purpose of shrink wrapping, the molecules are stretched out so they are almost straight.
Shrink wrap is a fairly adaptable multipurpose packaging material.
It has revolutionised not only the packaging industry but can also be utilised for containment, safety, and security.
Shrink wrap, also known as shrink film, is the material that is manufactured from polymer plastic film.
This allows the product to shrink tightly over the product it is covering when heat is applied.
Polyolefin is the most used shrink wrap material as it comes in an array of clarity, shrink ratio, strength and thickness. Polypropylene, Polyethylene, PVC and more compositions are other forms of shrink films.
Shrink wraps are able to be manufactured to shrink in either one direction, mono-directional or unidirectional, or in two directions, bidirectional.
In order for films to stretch, the molecules are oriented away from their initial random pattern when they have been warmed. When it is cooled, the film’s characteristics are set into that position until they are reheated which will cause it to shrink back toward its initial dimensions.
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Both of these packaging materials hold items together in a compact air space in packaging applications.
These materials are both lightweight and puncture and tear resistant, thus making them the perfect cost alternative to container packages or boxes.
Shrink wrap
This material is typically a clear plastic or polymer-based film that ultimately shrinks when heated and will conform to the shape of the object it is encasing.
The benefit of shrink wrap is that it forms a very tight, tamper evident seal that protects the products inside the package from dirt, moisture, dust or any insects. It’s commonly used as a food bag and in other perishable applications and is available for utilisation in a selection of widths, designs and film gauge, all dependant on the application.
Stretch wrap
Stretch wrap is composed of polyethylene plastic, this responds to heat differently than shrink wrap, that when heated shrinks and secures the load, stretch wrap has an elastic memory that functions similarly to a rubber band.
Shrink wrap and stretch films should stick to certain standards so to ensure a proper design and functionality.
Standards such as ASTM D4649 are used during the selection and use of stretch wrap films.
ASTM D5416 and BS 2782-6 discuss the methods of testing abrasion resistance along with the shrinkage on heating, respectively.
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