Paper plastic composite bags are widely used in a wide range of application fields and play an important role in the packaging and transportation of goods. The development of paper plastic composite bag industry is so good that it is inseparable from the four design principles of paper plastic composite bags.

1、性；主要指紙塑復合袋的強度。在設(shè)要根據(jù)貨物的密度(通過貨物的密度可以計算出超經(jīng)濟合理的集裝袋大小)和狀態(tài)(粉狀需要防漏，顆粒狀不用防漏)，盛載物重量, 還要考慮運輸距離的遠近和搬運次數(shù)的多少，采用何種運輸工具和運輸方法。

1. Safety; It mainly refers to the strength of paper plastic composite bag. The design shall be based on the density of the goods (the super economical and reasonable container bag size can be calculated through the density of the goods) and the state (the powder needs to be leak proof, and the granular does not need to be leak proof), the weight of the load, the distance of transportation, the number of handling times, and the means and methods of transportation to be adopted.

2、密封性；包裝物料不同，密封要求不同。如粉料或有毒物品、怕受污染的物品對密封性能要求非常嚴格, 容易受潮或霉變的物料對氣密性也有特殊的要求。

2. Tightness; Different packaging materials have different sealing requirements. For example, powder or toxic substances and substances afraid of pollution have very strict requirements on sealing performance, and materials prone to moisture or mildew also have special requirements on air tightness.

3、使用性；在設(shè)計紙塑復合袋時， 要充分考慮客戶使用集裝袋的具體方式和方法， 如提吊、運輸方式、裝載物料性能等。

3. Usability; When designing paper plastic composite bags, we should fully consider the specific ways and methods of customers using container bags, such as lifting, transportation mode, loading material performance, etc.

4、保管性；應根據(jù)用戶的使用條件，合理的選用材料，合理的配比。塑料制品在陽光暴曬下的方老化能力是目前比較關(guān)注的問題，也是紙塑復合袋在實際使用過程中經(jīng)常遇到的問題。

4. Safekeeping; Materials shall be reasonably selected and proportioned according to the user's service conditions. The aging ability of plastic products in the sun is a problem of concern at present, and it is also a problem often encountered in the actual use of paper plastic composite bags.

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The above is the knowledge brought to you today. Jinan composite bag has focused on the industry for many years and continuously provides users with valuable content. Please continue to pay attention to us for more content: http://www.673338.com.cn