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How Polyethylene Film Manufacturing Takes Place?

by Deepika Olive SEO Executive
How are polyethylene film manufacturing takes place in polyethylene manufacture companies?
The process of making polyethylene films is known as extrusion. The process is done by melting down small plastic pellets which are called resins and until they come in the molten state and pliable. This is how polyethylene film manufacturers work.

The molten plastic is extruded via a circular die to form a tube of plastic called a bubble. The bubble is inflated with air to a specific diameter and drawn vertically up a tower giving it time to cool before it is flattened to its lay flat width. The thickness of the film is controlled by the speed at which it is pulled from the die. The width of the film is controlled by the amount of air inserted in the bubble.

The films can be supplied plain or printed and they are suitable for a large variety of commercial and performance uses. The best polyethylene manufacturing company sold high-quality PE films which are ISO certified. The Polyethylene film is verified and approved before and after its manufacturing by the team of experts along with industry standards from each and every corner.

Plastic film manufacturers produce thin, flat continuous sheets to a precise thickness and they are made of several types of polymer resins. It is used in industrial, commercial and residential applications require packaging of different shapes and sizes.


Polyethylene is manufactured in different forms

  1. Low-density polyethylene (LDPE) - It's a flexible material with unique flow properties which is suitable for plastic film applications like shopping bags and has high ductility and low tensile strength.
  2. High-density polyethylene (HDPE) - It's a strong, high density and a moderately stiff plastic that has a high crystalline structure and is frequently used for plastic cartons, garbage bins, and cutting boards.
  3. Linear low-density polyethylene (LLDPE) - This type of polyethylene is very much similar to LDPE with an added advantage which is the properties of LLDPE can be altered by modifying the constituents and the complete production process of LLDPE and it is typically less energy intensive than LDPE.
  4. Ultra-High Molecular Weight Polyethylene (UHMW) - It is the extremely dense version of polyethylene has an order of magnitude greater than HDPE and it can be spun into threads with tensile strengths many times greater than steel and many a time it is incorporated into high-performance equipment like bulletproof jackets.

All these plastics have different applications ranging from containers, films to buckets, bottles, and packaging.


Applications of polyethylene:
  • LDPE: For milk carton lining, production of cling films in film making, for manufacturing of buckets and bowls using injection molding process, producing squeezable bottles like ketchup containers by the blow molding process, for manufacturing of flexible water pipes and able jacketing using the process of extrusion.
  • HDPE: For manufacturing shopping plastic bags and food packaging plastics by film making process, in manufacturing crates and dustbins using injection molding process, used for making drums and detergent bottles using blow molding process and for the production of water pipes using extrusion process.
  • LLDPE: For manufacturing of stretchable films, for the production of food boxes of various capacities using the injection molding process and for coating cables by extrusion process.

Properties of PE
  •  Electric insulator
  •  Low strength, hardness, and rigidity
  •  Partially crystalline
  •  Transparent in nature
  •  Excellent chemical resistance
  •  High molecular weight


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About Deepika Olive Advanced   SEO Executive

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Joined APSense since, August 14th, 2014, From Delhi, India.

Created on May 23rd 2019 05:42. Viewed 266 times.

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