Thermoplastics
A thermoplastic is any material that can be heated and cooled a number of times. Some common thermoplastics are polystyrene, polyethylene, the acrylics, the polyvinyl plastics, and poly...
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Thermosetting Polymers
Thermosetting polymers are compounds that solidify, or "set," after cooling from the molten state and then cannot be remelted. Some typical thermosetting polymers ...
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Thermoplastics