食品級的定義從定義上說，食品級指的是能夠與食品直接接觸的食品安全等級。事關身體健康、生命安全，食品包裝需要經過食品級的檢測和認證，才能用于直接接觸食品。對于塑料制品來說，食品級主要是關注正常情況及高溫情況下，材料會不會溶出有害物質。工業級的塑料材質在常溫或高溫下會溶出有害物質，對人身體健康產生危害。

　　The definition of food grade refers to the food safety level that can come into direct contact with food. Regarding physical health and life safety, food packaging needs to undergo food grade testing and certification before it can be used for direct contact with food. For plastic products, food grade mainly focuses on whether harmful substances will dissolve from the material under normal and high temperature conditions. Industrial grade plastic materials can dissolve harmful substances at room or high temperatures, posing a threat to human health.

　　所以，在選擇食品包裝和載具時，一定要注意產品是否經過食品級的檢測，尤其是存在高溫使用場景的，比如團餐包裝盒、保溫箱等等。

　　So, when choosing food packaging and carriers, it is important to pay attention to whether the product has undergone food grade testing, especially for high-temperature usage scenarios such as group meal packaging boxes, insulated boxes, etc.

　　/02/食品級的標準國內的食品級檢測的依據是GB 4806.7-2016《食品安全國家標準》（以下簡稱標準），《標準》詳細規定了常用于食品包裝和加工領域的塑料材料及制品的食品級標準。從感官要求、理化指標、添加劑、遷移實驗等方面進行檢測認證。

　　/The standard for food grade testing in China is based on GB 4806.7-2016 "National Food Safety Standard" (hereinafter referred to as the standard), which provides detailed food grade standards for plastic materials and products commonly used in food packaging and processing. Conduct testing and certification from sensory requirements, physical and chemical indicators, additives, migration experiments, and other aspects.

　　感官要求在正常條件下和遷移實驗中，材料的外觀、氣味符合相應指標。有些非食品級的材料會散發出一些有害的氣體，而食品級的材質是無毒無味的。

　　Sensory requirements: Under normal conditions and in migration experiments, the appearance and odor of the material should meet the corresponding indicators. Some non food grade materials may emit harmful gases, while food grade materials are non-toxic and odorless.

　　理化指標部分要求在遷移實驗和脫色實驗中，直接接觸被檢品的食物相關指標遷移量符合食品級的要求，包括總遷移量、重金屬遷移量和高錳酸鉀消耗量。

　　The physical and chemical indicators require that in migration and decolorization experiments, the migration amount of food related indicators that come into direct contact with the tested sample meets food grade requirements, including total migration amount, heavy metal migration amount, and potassium permanganate consumption.

　　經過一系列的檢測，符合相應的食品安全國家標準，才是真正的食品級，使用時可以與食品直接接觸。聚石EPP保溫箱，經檢測，符合GB 4806.7-2016《食品安全國家標準?食品接觸用塑料材料及制品》，真正的食品級材質，健康安全，生鮮、餐飲等裝載，可放心使用。

　　After a series of tests, meeting the corresponding national food safety standards is the true food grade and can be used in direct contact with food. The Jushi EPP insulated box has been tested and found to comply with GB 4806.7-2016 "National Food Safety Standard - Plastic Materials and Products for Food Contact". It is a genuine food grade material that is safe and healthy for loading fresh produce, catering, and other food items, and can be used with confidence.

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