Vacuum pouch as one kind of packaging bags with metallic luster, heat and light with high reflection ability, exquisitely bright printed color .Better isolation performance, strong protection performance, tight gas and moisture, effectively prevent the absorption of moisture content and installed inside gasification not from the bacteria and insects;Good shape stability, is not affected by humidity!Suitable for all kinds of packaging;especially in tea, coffee packaging good performance;and electronic products, medical care products packaging！At present, Beijing, tianjin, shandong and other major provinces and cities of the food industry is the use of vacuum bag in very many fields, such as ham, sausage and other cooked food products, pickles, preserved fruit, bean products, such as salted foods.
Characteristics of vacuum bag
(1) high temperature (121 ℃), resistant to low temperature (- 50 ℃), oil resistant, good performance.
(2) strong cut off air performance, anti-oxidation, waterproof, moistureproof.
(3) avirulent insipidity, accord with food, medicine packaging hygiene standards.
(4) strong mechanical properties, high blast resistance and puncture resistance , tear resistance