The Polyethylene Terephthalate, PET, is a clear, light and strong plastic of the polyester family. It performs the dual role of polyester when used with materials and as a PET resin when it comes to 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 completely different shapes. This property has helped to fabricate plastic water bottles and fibers to extend industrial applications.
However, more than 60% of PET production takes place for synthesizing fibers and bottles account for only 30% of the worldwide demand. Within the textile industry, PET is called because the polyester.
Number of PET colours and their uses in plastic manufacturing
The demand for PET products has elevated significantly over the years. For commercial success, corporations demand totally different colors to satisfy the expectation of consumers within the market. Thus, firms concerned in making polymer compounds have created the next color options and grades for users:
This white PET is suitable for dairy and different packaging applications within the industry.
Colorants need to pass safety customary or FDA approval to make use of in packaging foods products. The PET blue is among the most popular colors used within the water bottle packaging widely across the globe.
This colour is suitable for manufacturing PET bottles which demand to stop UV rays from reaching inside. That is because the packaged products get decontaminated and utilized in oil and pharma product packaging.
When it involves packaging pesticide and chemicals, PET yellow is the most effective choice. That’s because it is non-reactive with many of the chemicals used within the industry.
UvNox — shelf (PET)
PET is a superb UV stabilizer used in the packaging industry. Unlike other stabilizers, it protects bottles as well its content material preventing the passage of rays. Hence, it eliminates the need to have an external packing on the bottles. Thus, it becomes a practical choice for any firm concerned in plastic bottle manufacturing.
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