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Pet Resin

Listing ID #4876783

  • Supply Type Manufacturer, Exporter, Supplier
  • Preferred Buyer Location All over the world

PET stands for Polyethylene Terephthalate Resin, a widely used thermo-plastic polymer. The fact that it belongs to the polyester family, lends it a common name of polyester when used for fabrics. A....
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PET stands for Polyethylene Terephthalate Resin, a widely used thermo-plastic polymer. The fact that it belongs to the polyester family, lends it a common name of polyester when used for fabrics.

A positive point of PET Resin is that it is recyclable, and hence sustainable in nature. In fact, it can be re-recycled into a variety of forms, making it the most in-demand commodity for industrial and personal use.

Naturally, PET occurs as colourless resin with a somewhat crystalline form. When produced in a chemical setting, ethylene glycol and Teraphthalic acid react under high temperature and low pressure, forming long polymer chains which resemble spaghetti-like strands. These are then cut into pellets, which when heated will melt further and can be stretched into thin fibres or sheets. Another far more crystalline form of PET can also be prepared if it remains stretched at high temperatures for a longer period of time, giving it a more glass-like appearance.

There are different types of PET:

  • Amorphous PET/Reground PET: This is PET in its amorphous virgin form, clear in colour and lustrous
  • Crystalline PET: When Amorphous PET is crystallised to prevent agglomeration in the processing machinery while drying, it is called Crystalline PET. Conversion happens at temperatures of 180 degrees Celsius
  • Blow Moulded PET: A combination of 20% amorphous and 80% crystalline scrap, is used for producing this highly dry version for further processing
  • Recycled PET: Any PET which is recycle typically contains 25-100% recycled content
  • Terra PET: A blend with a 30% mix of renewable sugarcane derivatives

Apart from pure PET, co-polymers are also used to impart special properties to PET. For example, a commonly used coloured PET-G is produced by reacting cyclohexane di-methanol instead of ethylene glycol. PET-G can be easily extruded into a variety of shapes.


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