When selecting a type of plastic, you have to consider s strength, flexibility, heat resistance, and solubility. No single plastic is perfect for every use, but there is one plastic out there that can take on almost any job: HDPE.
HDPE, or high-density polyethylene, is the most widely used type of plastic in the world. This versatile material is in hard hats and shampoo bottles. It’s the lining of your cereal box and the jug of milk in your fridge. It can last for decades underground exposed to mold, mildew, insects, and rushing water. It’s not a question what HDPE can do. It’s a question what it can’t do.