1. Materials This standard clarifies the materials used, and only allows the use of raw materials made from scraps or scrap products that comply with the processing of the factory. Waste recycled materials cannot be used as raw materials. The composition of the recycled materials should be known. 2. The physical and mechanical properties of the packaging box stipulate the following requirements: load-bearing deformation of the bottom of the box, empty box drop at low temperature, solid box drop at normal temperature, stacking performance, etc., to ensure that the packaging box is affected by external forces, temperature, transportation changes and other conditions within a life cycle. , can still guarantee normal use. 3. Hygienic performance The hygienic performance adopts GB4806.7-2016 "National Food Safety Standard Requirements for Plastic Materials and Products Used in Food Contact". The hygienic performance testing method adopts the national mandatory testing method standard.