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Plastics Systems

Post Test - Plastics

QuestionAnswer
Polymer A large, many unit molecule made up of thousands of monomer, single unit molecules linked together like a chain.
Synthetic Plastics Man-made by taking atoms and molecules from natural materials such as coal, natural gas, oil, plant fibers, air, water, and salt, and rearranging them.
Thermosetting Plastics Plastics that are set in a permanent shape during molding. The material will not soften when re-heated.
Molding Compounds Plastics delivered to manufacturing industries in the forms of powders, pellets, or granules. Used in injection, extrusion, and blow molding.
Lamination Plastic forming process that involves joining two or more layers of plastic material to form a single composite sheet using pressure.
The properties of plastics can be altered or improved by _____. changing chemical formulation, combining several plastics
Some of the first plastics used by humans: clay, tree sap, glass
Require the greatest amount of plastics. Construction, packaging, automotive, electronics, and appliances
Variables to consider when thermoforming plastic. type, thickness, temperature
sprue hole hot soft plastic is injeted into the mold through this hole
Developed in 1909, 1st synthetic plastic Bakelite
Created by: SCullum
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