Vacuum food bag in the food packaging, food bags swelling, usually in plastic bags of food outside, but in the store, this package posted vacuum food bags lax situation occurs, small food bags, vacuum bag is no longer attached to the food, but a certain gap between food and. Is this not bulging bags are not sure, if the vacuum food bags completely swelled, the performance of the bag is bulging, bulging bags of food after eating can no longer, because the bulging bags of food to spoil the. Food vacuum bags with conditions caused food spoilage barrier to protect food purpose is to give food to create a vacuum environment in which micro-organisms and other conditions that cause food spoilage is no longer produced. PET film: This film is ultra-transparent, hard material, and high temperature, good printing effect, more suitable for food packaging bags, PET film solid feel particularly crisp, rustling Cui Xiang can take in hand. OPP film: hard material, and can not stretch, sealing type is very good, but transparency is more general, more brittle materials, food bags factory, feel bad. CPP film: CPP material transparency but better than the PE ratio OPP poor, food bags, soft and high-temperature materials that can be used to make printed materials, but not easy to print. Food bags, pp food bag, Red Plastic Factory (certified merchants) are provided by red plastic factory Xiongxian. Road Zhiyuan, temper forward. Red Xiongxian plastics plant (tztz89647.ynshangji.com) aims to become and you win symbiosis, strategic partners to move forward, more determined to become the most influential plastic materials business, and you leap together to success!