Plastic - Wikipedia
Plastics are a wide range of synthetic or semisynthetic materials composed primarily of polymers. Their defining characteristic, plasticity, allows them to be molded, extruded, or pressed into a diverse range of solid forms.

Plastic | Composition, History, Uses, Types, & Facts | Britannica
plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

PLASTIC Definition & Meaning - Merriam-Webster
The meaning of PLASTIC is a plastic substance; specifically : any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular weight and that can be made into objects, films, or filaments.

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Plastic - Simple English Wikipedia, the free encyclopedia
Plastics are mostly petrochemicals, made from natural gas or from petroleum, a type of oil. Chemical engineers refine the petroleum which goes through a heating process. It develops ethylene and propylene, which are the chemical building blocks for many plastics. These chemicals are then combined with other chemicals to produce a polymer.

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We can supply diverse grades and varieties of plastic for aerospace, food processing, oil and gas and other industries. Whether you’re looking for materials that are easy to fabricate, with good electrical insulation or have excellent thermoforming, we have what you need.

What is plastic? - BBC Bitesize
When the plastic is soft it can be poured into a mould. Once the plastic cools, it hardens into a shape. Plastic is a material that can be formed into almost any shape.

Plastic: Types, Properties, Uses, Advantages & Disadvantages
Learn what plastic is, how it is made, the major types of plastic, their properties, manufacturing processes, advantages, disadvantages, applications, and recycling methods.

Plastic - Polymers, Synthetic, Recycling | Britannica
In many plastic products, the polymer is only one constituent. In order to arrive at a set of properties appropriate to the product, the polymer is almost always combined with other ingredients, or additives, which are mixed in during processing and fabrication.

How Plastics Work - HowStuffWorks
In this article, we'll examine the chemistry of plastic, how it's made, how it's used, and how it's disposed of and recycled. We'll also look at some new biologically based plastics and their role in the future of plastic.