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American Chemistry Council: Plastics: Lifecycle of a Plastic Product
This site provides the background on the applications of the plastics industry. General in nature, but a good look at where plastic is in your life. Gives solid factual information.
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American Chemistry Council: Plastics: Plastics 101
This resource provides detailed general information about plastics.
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American Chemistry Council: Plastics: Basics: Polymer Definition and Properties
This resource provides information about what polymers are and their properties.
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American Chemistry Council: How Plastics Are Made
This resource provides an introduction to plastics chemistry, from the basic elements involved, to bonding, plastic types, and production methods.