食品级的定义从定义上说，食品级指的是能够与食品直接接触的食品安全等级。事关身体健康、生命安全，食品包装需要经过食品级的检测和认证，才能用于直接接触食品。对于塑料制品来说，食品级主要是关注正常情况及高温情况下，材料会不会溶出有害物质。工业级的塑料材质在常温或高温下会溶出有害物质，对人身体健康产生危害。

　　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，在选择食品包装和载具时，一定要注意产品是否经过食品级的检测，尤其是存在高温使用场景的，比如团餐包装盒、保温箱等等。

　　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/食品级的标准国内的食品级检测的依据是GB 4806.7-2016《食品安全国家标准》（以下简称标准），《标准》详细规定了常用于食品包装和加工领域的塑料材料及制品的食品级标准。从感官要求、理化指标、添加剂、迁移实验等方面进行检测认证。

　　/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.

　　感官要求在正常条件下和迁移实验中，材料的外观、气味符合相应指标。有些非食品级的材料会散发出一些有害的气体，而食品级的材质是无毒无味的。

　　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.

　　理化指标部分要求在迁移实验和脱色实验中，直接接触被检品的食物相关指标迁移量符合食品级的要求，包括总迁移量、重金属迁移量和高锰酸钾消耗量。

　　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.

　　经过一系列的检测，符合相应的食品安全国家标准，才是真正的食品级，使用时可以与食品直接接触。聚石EPP保温箱，经检测，符合GB 4806.7-2016《食品安全国家标准?食品接触用塑料材料及制品》，真正的食品级材质，健康安全，生鲜、餐饮等装载，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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