Recycling Caps

When you finish a bottle of water or juice, you might wonder about what to do with the lid before placing the PET plastic bottle in your recycling bin. Should you place the lid back on the bottle? Place it in the bin on its own? Or leave it out completely?

In most cases, lids are made from types of plastic that are different from the PET plastic bottle. They are often made from high-density polyethylene (HDPE) or polypropylene (PP) plastics. Even so, it’s recommended to place the cap back on the bottle for recycling.

Although the bottle and lid are different types of plastics, they can be recycled together. Once the plastics are ground into flakes they are separated by a sink/float process. The plastics used for caps, PP and HDPE, will float while the plastic used for the bottle, PET, will sink. The separated materials can then be used to make new packaging and other useful items.

Make sure your caps get recycled by replacing them on your used bottles in the recycling bin because Recycling Counts™! Check with your city government for details in your area.