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Sorting Plastics by Density: Recycling and Everyday Use—ChemTopic™ Lab Activity

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The United States produces almost 100 billion pounds of plastics every year and recycles only about 3.5%. Recycling plastics is challenging because of numerous different plastics. With the Sorting Plastics by Density: Recycling and Everyday Use—ChemTopic™ Lab Activity, investigate the composition and properties of plastics, their recycling codes and identify unknown plastics based on their densities.

Concepts

  • Plastics and Polymers
  • Physical Properties
  • Recycling Codes
  • Density