You can heat seal a variety of materials, including but not limited to: aluminum foil, cellophane, cloth, fiberglass, mylar, certain kinds of paper, and polyethylene. The list is truly endless – if it melts when heated, you can probably heat seal it!
This process is commonly used for food packaging (think chip bags and candy wrappers), but can also be used for things like tarps, Mylar blankets, and more. Heat sealing is a quick and easy way to create an airtight, watertight, or moisture-resistant seal on just about anything.
Essentially, you can seal most types of plastic material using a heat sealer or vacuum sealing machine. For the best results, use a plastic sheeting material like polypropylene or polyethylene.