Plastic is a synthetic or semi-synthetic material typically derived from petrochemicals or substances such as cellulose or starch. The basic components are chemically treated to form long chains of molecules called polymers.
Apr 21, 2023
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Plastic
Plastics are a wide range of synthetic or semi-synthetic 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. Wikipedia
Child material class: Bakelite, PMMA, polyvinyl chloride, bioplastics
Parent material class: Synthetic fiber
May 26, 2024 · plastic applies to substances soft enough to be molded yet capable of hardening into the desired fixed form.
7 Different Types of Plastic · 1. Acrylic or Polymethyl Methacrylate (PMMA) · 2. Polycarbonate (PC) · 3. Polyethylene (PE) · 4. Polypropylene (PP) · 5.
Plastic production has sharply increased over the last 70 years. In 1950, the world produced just two million tonnes. It now produces over 450 million ...