There are several reasons to choose HDPE (high-density polyethylene) plastic for vacuum forming: 1. Durability: HDPE is a strong and durable material that can withstand impact and resist cracking or breaking. This makes it suitable for creating products that need to withstand rough handling or heavy use. 2. Chemical resistance: HDPE has excellent chemical resistance, making it resistant to many chemicals, solvents, and acids. This makes it suitable for applications where the formed plastic may come into contact with various substances. 3. Food-grade material: HDPE is considered a food-safe material and is approved by regulatory bodies such as the Food and Drug Administration (FDA). This makes it suitable for vacuum forming applications that involve food packaging or handling. 4. Cost-effective: HDPE is a relatively low-cost material compared to other plastics, making it an economical choice for vacuum forming applications. It offers a good balance between cost and performance. 5. Recyclability: HDPE is a highly recyclable material, which means that it can be recycled and reused multiple times. This makes it an environmentally friendly choice for vacuum forming, as it helps reduce waste and promote sustainability. 6. Versatility: HDPE can be easily molded and formed into various shapes and sizes using vacuum forming techniques. It can be used to create a wide range of products, including trays, containers, automotive parts, and more.