最近,日本凸版印刷公司发明了一种能保持高度的密封性和杀菌性、能在常温条件下长期保存的新型纸罐,其食品保存能力不低于金属罐。实践证明,在常温下,罐中食品的质量至少1年内不会变质。目前这种纸罐被用于果汁、啤酒等其它饮料的包装,并获得好评。该纸罐的主要特点是:比铁罐、 Recently, the Japanese letterpress printing company invented a new type of paper can maintain a high degree of sealing and sterilization, can be stored at room temperature for a long time the new paper cans, the food storage capacity of not less than the metal cans. Practice has proved that at room temperature, the quality of food in cans at least 1 year will not deteriorate. Currently, the paper cans are used for the packaging of other beverages such as fruit juices, beer and the like, and are well received. The main features of the paper cans are: than iron cans,