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常见检测自封袋密封性的方式
发布于:2022/11/16
自封袋虽十分便利,但密封性也同样主要,在设计济南自封袋时须要充足斟酌每层资料的机能、厚度,以取得足够的阻隔机能,常见检测自封袋密封性的方式有以下三种:
Although the self-sealing bag is very convenient and efficient, its sealing is also important. When designing the Jinan self-sealing bag, it is necessary to fully consider the function and thickness of each layer of data to obtain sufficient barrier function. There are three common ways to test the sealing of the self-sealing bag:
一、无水渗透法
1、 Anhydrous infiltration method
自封袋通常实用于在水的作用下,外层资料的机能在实验期间会明显下降的包装件,如外层采取纸质资料的包装件。将要试样内充人实验液体(如与滤纸有显明色差的着色水溶液),封口后将要试样置于滤纸上,察看实验液体从试样内向外的泄露情形。应正反两面都测。也能够置于真空室内,在负压状况下测试。
Self-sealing bags are usually used for packaging with the function of the outer layer of data significantly reduced during the experiment under the action of water, such as the packaging with the outer layer of paper data. Fill the test sample with test liquid (such as colored water solution with obvious color difference from the filter paper). After sealing, place the test sample on the filter paper and observe the leakage of the test liquid from the inside to the outside of the sample. It should be measured on both sides. It can also be placed in a vacuum chamber and tested under negative pressure.
济南自封袋
二、水中城压
2、 Urban water pressure
自封袋通常实用于在水的作用下,外层资料的机能在实验期间不会明显下降的包装件,如外层采取塑料薄膜的包装件。通过对真空室抽真空,使浸在水中的试样发生内外压差,观测实验内气体外逸或水向内渗透情形,以此测定试样的密封机能。测定密封机能常用的手腕就是带真率的实验安装。
Self-sealing bags are usually used for packaging with the function of the outer layer of data not significantly decreased during the experiment under the action of water, such as packaging with the outer layer of plastic film. By vacuuming the vacuum chamber, make the sample immersed in water have internal and external pressure difference, observe the gas escape or water penetration in the experiment, and determine the sealing function of the sample. The wrist commonly used to measure the sealing function is the experimental installation with authenticity.
三、真空察看法
3、 Vacuum observation
自封袋实用资料同上。通过对真空空抽真空,使试样发生内外压差,观测试样膨胀及开释真空后试样外形的恢复情形,以此断定试样的密封机能。
The practical information of self-sealing bag is the same as above. The sealing function of the sample is determined by vacuuming the sample to make the internal and external pressure difference, observing the recovery of the sample shape after the expansion and release of the vacuum.
自封袋
Self-sealing bag
以上内容便是自封袋检测密封性的方法,希望能够对大家有所帮助。如果想要了解更多关于自封袋的相关内容,欢迎关注我们网站http://www.sxsuliao.com
The above contents are the methods for testing the sealing of self-sealing bags. I hope they can help you. If you want to know more about self-sealing bags, please visit our website http://www.sxsuliao.com !
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