
Plastic - Wikipedia
Plastics are a wide range of synthetic or semisynthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be molded, extruded, or pressed into solid objects of various shapes.
Plastic | Composition, History, Uses, Types, & Facts | Britannica
2025年4月10日 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.
Everything you need to know about plastic pollution
2023年4月25日 · Read our explainer to find out more about the plastic pollution crisis: Why is plastic pollution such a problem? Affordable, durable and flexible, plastic pervades modern life, appearing in everything from packaging to clothes to beauty products.
Impacts of Plastic Pollution | US EPA
3 天之前 · Plastic pollution has become ubiquitous in natural and built environments, raising concerns about potential harm to humans and nature alike. Once in the environment, research shows that plastic pollution is persistent and may take between 100 to 1,000 years or more to decompose, depending on environmental conditions.
About Plastic Products and Plastic Pollution | US EPA
2024年11月21日 · Plastic products are generally versatile, durable and lightweight. Plastic products are prominent in the construction, transportation, and packaging industries. Plastic innovations contributed to many life-saving products that revolutionized the health care industry.
7 Types of Plastic That Are Most Common | PlasticOceans.org
2021年2月23日 · Plastic is a complex material, just as its production, distribution and consumption are. We encourage you to dive in deeper in order to understand all these complexities, such as plastic properties, recyclability, health hazards and alternatives, including the …
What is Plastic? - Types, Examples, Properties & Recycling with …
What is Plastic? - Plastics are defined as a group of synthetic resinous or other substances that can be moulded into any form. Learn about plastics, recycling of plastics, thermosetting plastic and thermoplastic, Types and Properties of plastics at BYJU'S.
Plastic pyrolysis − chemists explain a technique attempting to …
2025年3月18日 · In 1950, global plastic production was about 2 million tons. It’s now about 400 million tons – an increase of nearly 20,000%.. As a material, it has seemingly limitless potential.
What is Plastic? Definition and Explanation - Plastic Online
Plastic is a man-made material that may be moulded and formed into solid objects. It is crafted from long chains of molecules known as polymers. Plastics can bend and exchange form without breaking easily.
Sustainable Management of Plastics | US EPA
2025年2月11日 · Sustainable Management of Plastics is a systemic approach to using and reusing plastic material throughout its lifecycle in an environmentally, economically, and socially sustainable way.