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Polyethylene terephthalate (or poly (ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P ), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, and thermoforming for manufacturing, and in combination with glass fibre for engineering resins. [5]
A water bottle made from recycled PET (bottle-to-bottle recycling) A polyester bag made from recycled PET. A food tray made from recycled PET bearing the rPET symbol. Although PET is used in several applications (principally textile fibres for apparel and upholstery, bottles and other rigid packaging, flexible packaging and electrical and ...
HDPE has SPI resin ID code 2. High-density polyethylene ( HDPE) or polyethylene high-density ( PEHD) is a thermoplastic polymer produced from the monomer ethylene. It is sometimes called "alkathene" or " polythene " when used for HDPE pipes. [1] With a high strength-to-density ratio, HDPE is used in the production of plastic bottles, corrosion ...
Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene. Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar. Its properties are similar to polyethylene, but it is slightly ...
Pandora's box is a metaphor for something that brings about great troubles or misfortune, but also holds hope. In Greek mythology, Pandora's box was a gift from the gods to Pandora, the first woman on Earth. It contained all the evils of the world, which were released when Pandora opened the box.
