- Plastic | Composition, History, Uses, Types, Facts | Britannica
Plastic, polymeric material that has the capability of being molded or shaped This property of plasticity, often found in combination with other special properties such as low density, low electrical conductivity, transparency, and toughness, allows plastics to be made into a great variety of products
- Plastic - Polymers, Synthetic, Recycling | Britannica
Plastic - Polymers, Synthetic, Recycling: Polymers are chemical compounds whose molecules are very large, often resembling long chains made up of a seemingly endless series of interconnected links
- Plastic - Processing, Fabrication, Recycling | Britannica
Plastic - Processing, Fabrication, Recycling: The processing of raw materials into usable forms is termed fabrication or conversion An example from the plastics industry would be the conversion of plastic pellets into films or the conversion of films into food containers
- Plastic - Injection Molding, Polymers, Manufacturing | Britannica
Plastic - Injection Molding, Polymers, Manufacturing: It is usually slow and inefficient to mold thermoplastics using the compression molding techniques described above In particular, it is necessary to cool a thermoplastic part before removing it from the mold, and this requires that the mass of metal making up the mold also be cooled and
- plastic - Kids | Britannica Kids | Homework Help
A plastic is a kind of material that is made by people and can be formed into almost any shape Most plastics are strong, long-lasting, and lightweight They resist damage by water, heat, chemicals, and electricity In addition, plastics can be made in many colors There are about 50 main types of plastic They have countless uses
- plastic pollution Facts | Britannica
Plastic pollution, harmful accumulation of synthetic plastic products in the environment Plastics are persistent large-scale pollutants, and plastic debris (such as bottles, straws, containers, and plastic wrap) and particulates have been found in many environmental niches, from Mount Everest to the bottom of the sea
- Plastic - Recycling, Resource Recovery | Britannica
Plastic - Recycling, Resource Recovery: In many municipalities, the favoured method of disposing of solid waste is in sanitary landfills, in which layers of refuse alternate with layers of soil However, concerns over the wisdom of such land use has encouraged efforts to dispose of various materials by recycling them for re-use or to derive
- Recycling - Plastics, Reuse, Sustainability | Britannica
Recycling - Plastics, Reuse, Sustainability: Plastics account for almost 10 percent by weight of the content of municipal garbage Plastic containers and other household products are increasingly recycled, and, like paper, these must be sorted at the source before processing Various thermoplastics may be remelted and reformed into new products
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