The Advantages and Disadvantages of Polyethylene
Polyethylene is the most popular and commonly used plastic in the world, utilized in shopping bags, toys and shampoo bottles. There are over a hundred million tonnes of the fabric’s resins produced annually, which accounts for 34% of the plastics market.
Polyethylene has many benefits which is why it has been used to make many products over the years.
Polyethylene has many useful properties which make it suitable for a number of applications. It has low energy and hardness, however is very ductile and has good impact strength; it will stretch rather than break.
Polyethylene is water-resistant and durable, so it is longer lasting when exposed to the elements compared to different polymers.
Polyethylene is a good electric insulator, offering electric treeing resistance however can develop into electrostatically charged. Adding antistatic agents will prevent this.
Relying on the thickness of the polyethylene, it may be almost transparent to opaque. The clearness of low-density polyethylene (PE) makes it suitable for packaging.
Polyethylene as HDPE might be recycled into different products, which is more cost efficient than manufacturing a new product from new plastic.
Polyethylene has a melting point range of 120 to one hundred eighty degrees Celsius for medium to high density and 105 to a hundred and fifteen degrees Celsius for low-density polyethylene. The nice heat resistant properties enable it for use in high and low temperatures.
Despite its popularity, polyethylene is a polymer with a couple of disadvantages which can deter producers and consumers from utilizing it.
The polymer, like many different plastics, takes a very long time to break down, and as such can find yourself in landfill sites for decades, which we are running out of space for.
Another way to eliminate polyethylene is incineration, which can result in 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 also leads to high emissions of carbon dioxide, a greenhouse gas contributing to global warming and local weather change.
Though it is technically attainable to recycle the most importantity of plastic polymers, there are many different types to type by, which is dear and complex.
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