Liquid Fresh Milk Packaging White and Black Film
Significance of liquid fresh milk packaging pouch white and black film
Liquid fresh milk packaging is mainly divided into milk pouch, box and bottle. Among them, liquid fresh milk pouch bags are favored by dairy manufacturers because it is easy to carry and the cost of pouch packaging materials is low. The barrier and other important properties of packaging materials can also meet the quality requirements of liquid milk within the shelf life. Bagged liquid milk is mainly divided into Bailey bags and sterile pillows. The packaging cost of sterile pillows is high. Therefore, considering the benefits of the public, Bailey bags are more widely used.
Baili bag often uses black-and-white film and milky white film. Due to the barrier deviation of milky white film, the shelf life of packaged liquid milk is short, generally only 3-5 days.
High barrier resin raw materials can be added to liquid fresh milk packaging pouch black white film to prolong the shelf life of liquid milk packaged with black and white film. Therefore, liquid fresh milk pouch black white film packaging is mainly used for bagged liquid milk.
liquid fresh milk packaging pouch black white film material structure
Simplified liquid fresh milk packaging pouch film, usually is a monolayer. It is made of a variety of polyethylene material adding a certain proportion of white master material and is turned into liquid packaging film by blowing.
liquid fresh milk packaging pouch black film and white film are high performance composite films, mainly made of three or multi-layer co-extrusion method, using LDPE, LLDPE, EVOH, mLLDPE and other resins, with black and white master material co-extrusion and blowing.
Liquid fresh milk packaging pouch black white film mainly takes different types of PE as the main resin raw material. According to the quality of Liquid fresh milk, barrier resin raw material should be added. And then white and black master batches are mixed to be made into coextruded films.
Milk Spout Pouch manufacturer—HONGQIAO Package
Heat sealing effect of liquid fresh milk pouch🥛
The heat sealing effect of liquid fresh milk pouch black filmand white film packaging is related to the PE model used and its addition ratio, and the parameter setting of heat sealing equipment.
↘️That is to say, in addition to the heat sealing property of PE milk packaging white and black film materials, the heat sealing parameters such as temperature, pressure and time set by the heat sealing equipment are also critical to the sealing quality.
HQ Packing is a professional manufacturer of spout pouch filling and capping machinery. If you are interested in doing the wholesale of liquid fresh milk packaging pouch, liquid fresh milk packaging pouch black film and liquid fresh milk packaging pouch white film, you come to the right place. For more details, please contact us 💬.