What are the packaging forms of fresh milk?
The main packaging forms of fresh milk are plastic bags, boxes and bottles. It is closely related to the way of sterilization of fresh milk
In recent years, aseptic composite plastic bags and aseptic plastic cups have developed rapidly. Among them, the composite plastic bag adopts multi layer composite process, and aseptic cup packing adopts a plurality of multi-layer plastic coextrusion sheets to realize the molding, sterilization, filling and sealing of the container. These forms of packaging ensure the quality of fresh milk while enriching the packaging of fresh milk.There is also a plastic bottle of the two sterilized milk, general shelf life in March or more.
UHT milk, also known as UHT milk, is mainly made of composite plastic bags or paper plastic composite packaging, with pillow, brick and other forms. Because this material has good barrier properties, and can achieve the aseptic condition, filling in aseptic conditions, product shelf life of up to more than 30 days, with sales, storage, convenient carrying and drinking, long-distance transportation and other advantages, but the packaging of high cost, high price.
Pasteurized milk as milk sterilization, the glass bottle packaging plastic bags or plastic bottles, plastic bags are simple, like using the monolayer polypropylene material, because these materials are difficult to achieve in aseptic filling and sterilization of milk filling environment, generally do not take aseptic production, such products require cold chain transportation, and shelf life short, usually within 3 days, but the fresh sense of strong, low packaging cost, cheap price. In addition, pasteurized milk is also available in roof type cartons and glass bottles.
