Big bags are used as export packaging and are widely used to transport and package powdery, granular, and voluminoase items such as food, grains, pharmaceuticals, chemicals, and minerals. Among them, plastic packaging bags for food packaging are strictly reglemented and restrictioned, which fully embus the protection of human life.
Pungi și altele plastic ambalaje materiale joacă un important rol în mâncare siguranță. Siguranța siguranța consumul auxiliar materiale, și procesele direct afectează the quality of food, which in turn afectează human health. People's preocupare despre lor sănătate direct afectează piața cererea pentru plastic ambalaj.

Când utilizarea de large bags encounters waterproof and moisture-proof problems, the large bags should be used imediat after drying, and acidic substances and large bags should be prevented during use. When transport acidic substances, acidic substances need to be packaged.
It is imposibil to put the big bag in a place expus la lumina soarelui deoarece long-term expunere la lumina soarelui vointa direct cauza deteriorare la the big bag. In the sun, it contains ultraviolet rays, which can direct oxidize the polypropylene material, and then transported in bags of several tons. Sau when storage goods, avoid prolonged exposure to sunlight. Only in this way can the service life of the big bag be Asigurată.