For takeout soup bowls, it is best to use a type of plastic that is both durable and heat-resistant. One suitable option is polypropylene (PP) plastic, which is commonly used for food containers due to its ability to withstand high temperatures without melting or leaching harmful chemicals. PP plastic is also lightweight and has a smooth surface, making it easy to clean and reuse.

Another good choice for takeout soup bowls is crystalline polyethylene terephthalate (CPET) plastic, which is specifically designed for use in microwaves and ovens. CPET plastic is safe for heating food and can withstand temperatures up to 400 degrees Fahrenheit, making it ideal for reheating soups and other hot dishes.

Both PP and CPET plastics are recyclable and eco-friendly options for takeout soup bowls, providing a convenient and sustainable packaging solution for restaurants and consumers. By choosing the right type of plastic for soup bowls, we can help reduce waste and promote environmental responsibility in the food service industry.