What are the types of food vacuum forming materials to ensure food safety

1. PET plastic PET is the most common food grade safe plastic, which has good transparency, barrier properties, and other characteristics. Packaging boxes and beverage bottles for fresh food and pastries made with it can effectively ensure food safety; 2. PC plastic PC plastic is commonly used in the production of plastic containers and is a material with high safety; 3. HDPE plastic HDPE plastic has high operating temperature, hardness, mechanical strength, and good chemical resistance, making it a non-toxic and safe material;   4. PS plastic PS plastic has excellent cold resistance, and commonly used vacuum formed packaging products such as bowl shaped instant noodle boxes, fast food boxes, and disposable food packaging boxes in the market are all made of PS plastic; 5. LDPE plastic LDPE plastic is commonly used for food plastic parts, composite films for food packaging, food preservation films, pharmaceutical plastic packaging, etc; 6. PP plastic PP plastic is a type of plastic that can be heated in a microwave oven. It has high strength, flexural resistance, safety, non toxicity, and resistance to low and high temperatures, which meets the requirements of national food safety.