Polyethylene is the most well-liked and commonly used plastic in the world, used in shopping bags, toys and shampoo bottles. There are over 100 million tonnes of the fabric’s resins produced yearly, which accounts for 34% of the plastics market.
Advantages
Polyethylene has many benefits which is why it has been used to make many products over the years.
Polyethylene has many helpful properties which make it suitable for a number of applications. It has low power and hardness, but may be very ductile and has good impact power; it will stretch quite than break.
Polyethylene is water-proof and durable, so it is longer lasting when uncovered to the weather compared to different polymers.
Polyethylene is an effective electrical insulator, offering electric treeing resistance however can change into electrostatically charged. Adding antistatic agents will stop this.
Depending on the thickness of the polyethylene, it could be virtually transparent to opaque. The clearness of low-density polyethylene (PE) makes it suitable for packaging.
Polyethylene as HDPE can be recycled into other products, which is more cost efficient than manufacturing a new product from new plastic.
Polyethylene has a melting level range of 120 to a hundred and eighty degrees Celsius for medium to high density and a hundred and five to one hundred fifteen degrees Celsius for low-density polyethylene. The great heat resistant properties enable it for use in high and low temperatures.
Disadvantages
Despite its popularity, polyethylene is a polymer with a few disadvantages which can deter producers and consumers from using it.
The polymer, like many other plastics, takes a very long time to break down, and as such can find yourself in landfill sites for decades, which we’re running out of house for.
Another way to get rid of polyethylene is incineration, which can lead to harmful gas emissions.
Polyethylene is principally extracted from petroleum or natural gas, of which there is a finite amount.
Producing polyethylene takes a large amount of energy and in addition leads to high emissions of carbon dioxide, a greenhouse gas contributing to global warming and climate change.
Though it is technically attainable to recycle the keyity of plastic polymers, there are a lot of totally different types to sort through, which is expensive and complex.
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