產品在運輸周轉過程中，由于氣候、機械、生物和化學等因素的影響會受到一定程度的損壞。適當的包裝可以保護產品不受這些因素的影響，同時，包裝可以防止或減少貨物的丟失和損壞。因此，保護產品是產品包裝更基本的作用。包裝防護主要有：防雨、防潮、防霉、防銹、防海水浸蝕、防大氣侵蝕、防塵、防震、局部、防護等方式。
In the process of transportation turnover, the products will be damaged to a certain extent due to the influence of climatic, mechanical, biological and chemical factors. Proper packaging can protect products from these factors, and at the same time, packaging can prevent or reduce the loss and damage of goods. Therefore, product protection is the most basic function of product packaging. The main methods of anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion, anti-corrosion.
1.防潮包裝：貨物進行防潮包裝時，應采取必要的防潮措施。例如在防潮材料密封的容器內加適量的干燥劑等。
1. Moisture proof packaging: necessary moisture-proof measures shall be taken when the goods are packed with moisture-proof materials. For example, add appropriate amount of desiccant in the container sealed with moisture-proof materials.
2.防震包裝：防震包裝應根據貨物的特點采用不同的防震形式。
2. Shockproof packing: the shockproof packing should adopt different shockproof forms according to the characteristics of the goods.
3.防雨包裝：貨物進行防雨包裝時，應在封閉內采取必要的防雨措施。
3. Rain proof packing: when the goods are packed with rain proof, necessary rain proof measures shall be taken in the closed area.
木箱內襯以防水材料，貨物外部罩蓋和包裝箱頂蓋采用雙層防水材料結構等。遮蓋貨物所用的塑料薄膜一般不采用聚氯乙烯。如若使用應加強措施，使其不與產品漆層直接接觸。在有內包裝箱的復箱式包裝中(如精密儀器儀表內箱與外箱，軸承紙盒與外包裝箱等)，除在內包裝箱中采取防震措施外，在內，外包裝箱之間，要根據貨物的不同特點，襯以紙屑、瓦楞紙、泡沫塑料等防震材料或用金屬彈簧懸吊，不允許貨物在包裝箱內或包裝箱(盒)在外包裝箱內產生竄動。
The inner lining of the wooden case is made of waterproof material. The outer cover of the goods and the top cover of the packing case are made of double-layer waterproof material structure. The plastic film used to cover the goods is generally not PVC. If it is used, measures should be strengthened to prevent it from directly contacting with the paint layer of the product. In the compound box packing with inner packing boxes (for example, inside and outside boxes of precision instruments, bearing cartons and outer packing boxes), in addition to adopting shockproof measures in the inner packing box, the inner and outer packing boxes should be suspended with paper materials, corrugated paper, foam plastics and other shockproof materials or suspended by metal springs according to the different characteristics of the goods, and goods shall not be allowed to be packed in boxes or boxes. There is movement in the outer packing box.
