Yogurt PS cup sealing film

Yogurt PS cup sealing film usually consists of a three-layer structure: outer layer, middle layer and inner layer. The outer layer material usually has good mechanical strength and heat resistance, the middle layer material is mainly used to enhance the specific properties of the composite structure, and the inner layer material is non-toxic, tasteless, water and oil resistant, and is mainly responsible for sealing. Therefore, the PS cup yogurt sealing film has good barrier properties, which can effectively prevent moisture and light from affecting the contents, and maintain the freshness and taste of the product. At the same time, the heat sealing performance of the sealing film is moderate, which can not only ensure the sealing performance of the product, but also ensure that consumers can open it smoothly.