新包装─纸罐近年来，美国、法国、意大利等国流行使用一种新型包装材料—纸罐，用以盛装各种固体和液体商品。该纸罐采用五层纸组成，每层涂复一种特殊胶水经复合制成，内外再加上一层铝箔，罐面和罐底可用塑料封口。它能承受很大压力，且耐高温，使用效果不亚于铝、铁金... New packaging ─ paper cans In recent years, the United States, France, Italy and other countries popular use of a new type of packaging materials - paper cans, used to hold a variety of solid and liquid products. The paper cans made of five layers of paper, each layer coated with a special glue made of composite, both inside and outside with a layer of aluminum foil, cans and tank bottom can be sealed with plastic. It can withstand a lot of pressure, and high temperature, the effect is as good as aluminum, iron gold ...