澳大利亚研制出为鱼肉、水果和蔬菜等含水农产品专用的包装纸盒,这种纸盒内外均覆盖或涂敷聚丙烯或聚乙烯,能防水,在包装时无需用其它防水材料。该包装纸盒适用于需要冷冻或冷藏的农产品,可使它们在销售过程中始终保持一定水分,防止因冻结或潮湿而受损。此外,该纸盒坚固耐用,经 Australia developed a packaging carton for watery produce such as fish, fruits and vegetables. This carton is coated or coated with polypropylene or polyethylene both inside and outside to protect it from water. No other water-repellent materials are required for packaging. The packaging cartons are suitable for agricultural products that need to be frozen or refrigerated to keep them moist during sale, protected from freezing or dampness. In addition, the carton is sturdy and durable