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 What are "Plastics #1-7"?

Posted on Wednesday, Dec. 2, 2009

Plastic containers typically have a triangle stamp on their undersides, containing a number. This number is the Resin Code, i.e. the type of plastic used to make the container.

  1. Polyethylene Terephthalate (PETE/PET #1)
    Most commonly used for soda botles, water bottles, shampoo bottles, peanut butter jars, etc.
  2. High Density Polyethylene (HDPE #2)
    Most commonly used for milk, water, and juice bottles, detergent bottles, yogurt and margarine containers, grocery bags, etc.
  3. Polyvinyl Chloride aka Vinyl (PVC #3)
    Most commonly used for clear food packaging, shampoo bottles, etc.
  4. Low Density Polyethylene (LDPE #4)
    Most commonly used for bread bags, frozen food bags, squeezable bottles like mustard, etc.
  5. Polypropylene (PP #5)
    Most commonly used for ketchup bottles, yogurt and butter containers, etc.
  6. Polystyrene (aka. Styrofoam) (PS #6)
    Most commonly used for meat trays, egg cartons, hot beverage cups, plates, etc.
  7. Other (#7)
    Ketchup, large water bottles, etc.
     

Uses once recycled:

  1. PET: Fibers, soft drink bottles.
  2. HDPE: Bottles, grocery bags, recycling containers, playground equipment, plastic lumber.
  3. PVC: Pipe, fencing, and non-food bottles.
  4. LDPE: Plastic bags, 6-pack rings, tubing, some laboratory equipment.
  5. PP: Auto parts, dishware, food containers.
  6. PS: Cafeteria trays, toys, desk accessories, insulation.
  7. Other: Unknown.

Tags: Food/Drink, Mixed Recycling, Plastic, Recycling process, Wrappers/Containers

 
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The Basics:
  • Recycling: paper, plastic (#1-#7), glass, aluminum, tin. Look for BLUE.
  • Compost: food waste, biodegradable material, (if it was once alive, it can be composted!). Look for GREEN.
  • Landfill waste: everything else! Look for RED or BLACK.
 
 
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