III. What Are Food Grade Materials
A. Definition and characteristics of food grade materials
Food grade materials can be food contact. And its processing must follow hygiene standards and safety requirements. The characteristics of food grade materials include as followings. Firstly, the raw materials need undergo strict screening and production process control. And they need to be non-toxic and harmless. Secondly, good mechanical and processing properties, suitable for food production and processing. Thirdly, it can meet the shelf life and food safety requirements of food. Fourthly, it usually has good chemical resistance, stability, and glossiness.
B. Requirements for food grade materials
The main requirements for food grade materials as follows. Firstly, they are non-toxic and harmless. The material won't produce harmful substances or cause harm to human health and the environment. Secondly, it is not easy to deteriorate. The material must maintain stability, not react with food, and will not cause odors or spoilage of the food. Thirdly, it is resistant to high temperatures. The material can withstand heating treatment. It should not decompose or release harmful substances. Fourth, health and safety. The production, storage, packaging, and transportation of materials should follow hygiene and safety standards. And it can be able to maintain a sterile state in contact with food. Fifth, legal compliance. The materials must follow relevant laws and regulations.