When in need of rigid, heat resistant plastic, HDPE is the best material to use. Since polyethylene is a food grade plastic – meaning it is safe to use around food – this material is commonly manufactured into storage containers, kitchenware, and refrigerator shelving. HDPE is also a good plastic for holding chemical-based products such as cleaning agents, laundry detergent, bleach, and shampoo.
Advantages of HDPE: