Plastics
Polymeric materials (usually organic) of large molecular weight which can be shaped by flow. Plastic usually refers to the final product with fillers, plasticizers, pigments, and stabilizers included (versus the resin, the homogeneous polymeric starting material). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Year introduced: was in Cat D & J 1967-1982, was in Cat J only 1963-1966
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Subheadings:
Tree Number(s): D05.750.716, D25.720.716, J01.637.051.720.716
MeSH Unique ID: D010969
Entry Terms: