Stretch film, or stretch wrap or lldpe stretch film, is a versatile and indispensable packaging material used in various industries.
Due to its unique characteristics and capabilities, it is a popular option for securing and protecting goods during transportation, warehousing, and distribution.
In this comprehensive guide, we will investigate stretch film’s definition, composition, functionality, and main benefits.
By the conclusion of this unit, you will have a thorough comprehension of this essential packaging solution and its significance in modern logistics.
What is Stretch Film
Stretch film is a highly elastic thin plastic film predominantly made from polyethylene (PE) resins.
It is manufactured using a process that stretches the film to its desired elongation, imparting characteristic elasticity.
It is used to secure, protect, and package goods by stretching and compacting, tightly wrapping them together.
PE stretch film is a plastic film that exhibits self-adhesive properties. It is a thin film that can be stretched and tightly wrapped around items for bundling and wrapping purposes.
The adhesive does not adhere to the surface of the packaged goods and is present only on the film’s surfaces.
Stretch wrap does not require heat shrinkage treatment in wrapping processes, which helps save energy, reduce packaging costs, facilitate containerized transportation, and improve logistics efficiency.
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Stretch Film Specifications And Thickness :
General information
Stretch film is available in different thicknesses and widths to accommodate various wrapping needs and types of goods.
Thickness is typically expressed in microns or gauge, with standard stretch film thicknesses is 12-30 microns(μm) or 50 gauge – 120 gaude.
Width is usually between 12 to 20 inches (30 to 50 cm) and can be customized according to specific requirements.
Thickness:
Different thicknesses offer varying levels of strength and protection.
Thicker films, such as 20-35 μm(80-140 gauge), are suitable for heavy or sharp-edged items, providing enhanced puncture resistance, the film which allows it to handle heavier loads.
Thinner films, like 10-15 microns(40-90 gauge), are ideal for lighter items or when cost-efficiency is prioritized.
Width:
Stretch film comes in various widths, typically 12 inches (30 cm) to 20 inches (50 cm).
The choice of width depends on the size and dimensions of the items being wrapped.
Opt for wider widths when packaging larger or bulkier items for better coverage and stability.
Classification Of PE Stretch Film Usage:
Hand Stretch Film:
This type is primarily used for manual packaging, where the quality requirements are relatively lower. Each roll typically weighs around 4kg to 5kg for ease of handling.
Machine Stretch Film:
Machine stretch film is used in mechanical packaging processes, where the film is applied using machine driven by the movement of goods.
It has higher stretch strength and requires a specific stretch ratio, typically around 300%. The rolls weigh approximately 15kg.
Machine stretch wrap is an essential packaging solution for pallet loads, helping to keep them secure during shipping and handling.
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