17 May Key info to know about Polyethylene Terephthalate
The Polyethylene Terephthalate, PET, is a clear, light and robust plastic of the polyester family. It performs the dual function of polyester when used with materials and as a PET resin when it involves manufacturing bottles, containers and packaging solutions.
How is PET made?
The polyester polymer is manufactured by reacting of ethylene glycol and terephthalic acid. The pellet polymer formed in the process is heated to molten mass to mold into totally different shapes. This property has helped to manufacture plastic water bottles and fibers to extend industrial applications.
Nevertheless, more than 60% of PET production takes place for synthesizing fibers and bottles account for only 30% of the worldwide demand. In the textile business, PET is called because the polyester.
Number of PET colours and their uses in plastic manufacturing
The demand for PET products has increased significantly over the years. For commercial success, companies demand different colours to fulfill the expectation of consumers within the market. Thus, firms involved in making polymer compounds have created the following shade options and grades for users:
This white PET is suitable for dairy and different packaging applications within the industry.
Colorants have to pass safety commonplace or FDA approval to use in packaging meals products. The PET blue is likely one of the hottest colours used within the water bottle packaging widely around the globe.
This colour is suitable for manufacturing PET bottles which demand to forestall UV rays from reaching inside. That is because the packaged products get decontaminated and used in oil and pharma product packaging.
When it comes to packaging pesticide and chemical compounds, PET yellow is the perfect choice. That’s because it is non-reactive with most of the chemical compounds used within the industry.
UvNox — shelf (PET)
PET is a wonderful UV stabilizer used within the packaging industry. Unlike different stabilizers, it protects bottles as well its content material preventing the passage of rays. Hence, it eliminates the necessity to have an exterior packing on the bottles. Thus, it turns into a practical selection for any firm concerned in plastic bottle manufacturing.
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