亚洲视频自拍偷拍_国产精品一区免费视频_日韩欧美久久_美女网站色精品尤物极品姐弟

<ul id="q8awq"></ul>

<strike id="q8awq"></strike>

濟南精美塑料包裝廠為您提供塑料袋、方便袋、塑料袋、食品塑料袋,相關信息發布和資訊展示，敬請關注！

服務熱線：

18764138233

復合包裝袋的白點和氣泡是怎么回事？2023/11/13

白點氣泡：①干燥不充分White spot bubbles: ① Insufficient drying②上膠量不足：督辦、復溶性差、轉移率下降。。薄膜太厚② Insufficient glue application: poor supervision, poor solubility, and decreased transfer rate Thin film too thick③復合后膠未流平：膠分子量大、熟化不夠，復合熱輥溫度太低、氣溫較低而預熱輥沒用③ After compounding, the glue is not leveled: the molecular weight of the glue is large

查看全文 >>

復合包裝袋使用的范圍有哪些？2023/11/10

食物包裝：近年來，米面粉等食物包裝逐步采用編織袋包裝。經常見的編織袋有：面粉編織袋大米編織袋玉米編織袋等編織袋Food packaging: In recent years, woven bags have gradually been used for food packaging such as rice flour Common woven bags include flour woven bags, rice woven bags, corn woven bags, and other woven bags蔬菜等農業物品包裝,再后替代紙制水泥包裝袋當前,因為成品資本和價錢問題,我國每年有60億條

查看全文 >>

巧用塑料袋五種方法可以提高使用率？2023/11/07

一、清潔白衣服。1、 Clean white clothes 夏天，煩人的事情應該是清潔白色的衣服。因為這種衣服一旦被污漬污染，就很難清洗，所以年輕人不愿意洗白色的衣服。事實上，洗白色衣服還有一個小技巧。也就是說，在白色衣服上濕一層水，然后涂上一些肥皂。In summer, the annoying thing should be cleaning white clothes Because this type of clothing is difficult to clean once it is contaminated with stains, young people are unwi

查看全文 >>

方便袋生產：與利潤的結合2023/10/30

方便袋生產的背后，往往與環境保護相互矛盾。傳統的方便袋生產過程中，會消耗大量的資源和能源，同時還會產生大量的廢棄物，對環境造成極大的污染。然而，隨著科技的不斷進步，新型的方便袋逐漸走入人們的視野，為解決這一問題提供了新的思路。The production of convenience bags often contradicts environmental protection The traditional production process of convenience bags consumes a large amount of resources and energy,

查看全文 >>

塑料膠袋的密封性與滲透性要做？2023/10/24

塑料膠袋是我們日常生活中使用為廣泛的包裝袋，但它的密封性和滲透性卻是我們需要考慮的兩個重要因素。密封性是指膠袋內外空氣無法交換，從而達到保鮮、防潮、防塵、防蟲等作用。而滲透性則是指氣體或液體通過膠袋的能力，如果膠袋的滲透性較高，則其保鮮效果會受到影響。Plastic bags are widely used packaging bags in our daily lives, but their sealing and permeability are two important factors that we need to consider Sealing

查看全文 >>