Reference Terms
from Wikipedia, the free encyclopedia


Plastic is a term that covers a range of synthetic or semisynthetic polymerization products.

They are composed of organic condensation or addition polymers and may contain other substances to improve performance or economics.

There are few natural polymers generally considered to be "plastics".

Note:   The above text is excerpted from the Wikipedia article "Plastic", which has been released under the GNU Free Documentation License.
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October 7, 2015

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updated 12:56 pm ET