Oil-proof and water-proof deoxidizing agent, drying agent or preservative with built-in oxygen indication line

The oil-proof and water-proof deoxidizing agent, drying agent or preservative with the built-in oxygen indicating line is formed by sealing edges of a packaging material to form a packaging bag and filling the deoxidizing agent, drying agent or preservative in the packaging bag, and is characterized in that the oxygen indicating line is arranged between the two sealing edges of the packaging bag in a penetrating manner; the two ends of the oxygen indicating line are exposed out of the sealing edge, the oxygen indicating line comprises an oxygen indicating cotton line with the oxygen indicating line, and the oxygen indicating cotton line is fixedly sealed and attached to the inner side of the packaging bag through a plastic film with air holes. According to the utility model, powder leakage is avoided, the oxygen indication line can be isolated from food, and the food safety is improved. 本实用新型的内置式氧指示线的防油防水型脱氧剂、干燥剂或保鲜剂，由包装材料封边制成包装袋，在包装袋中填充脱氧剂、干燥剂或保鲜剂制成，其特征在于：在包装袋内位于包装袋的两个封边之间穿设有氧指示线，并且该氧指示线两端暴露在封边外，所述氧指示线包括带有氧指