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塑料包装袋的优劣可以看什么辨认

发布日期:2022-07-30 作者:www.jnsuliao.com 点击:

要知道不合格的硬塑料饭盒和塑料包装袋大多含有工业碳酸钙和石蜡碳酸钙,可引起便秘、胆囊和肾结石,在几个月或几年内可反映在人体内。所以使用的济南塑料袋建议用材料好的,下面来讲讲怎么辨认吧。
You should know that most unqualified hard plastic lunch boxes and plastic packaging bags contain industrial calcium carbonate and paraffin calcium carbonate, which can cause constipation, gallbladder and kidney stones, and can be reflected in the human body within a few months or years. Therefore, Jinan plastic bags are recommended to be made of good materials. Let's talk about how to identify them.
如果塑料包装袋里的重金属超标,会影响血液系统和智力发育。塑料易燃,燃烧时会产生甲苯。少量甲苯吸入会导致失明和呕吐;高温环境会导致塑料分解有毒成分,比如对人体危害非常大的苯环,塑料包装袋是非常有害的。如果确实需要使用,也要注意塑料包装袋的质量鉴定。鉴别塑料包装袋质量时,注意以下几点:
If the heavy metals in plastic bags exceed the standard, it will affect the blood system and intellectual development. Plastic is flammable, and toluene will be produced when it is burned. Inhalation of a small amount of toluene will cause blindness and vomiting; High temperature environment will cause plastic to decompose toxic components, such as benzene ring, which is very harmful to human body, and plastic packaging bags are very harmful. If it really needs to be used, we should also pay attention to the quality identification of plastic packaging bags. When identifying the quality of plastic packaging bags, pay attention to the following points:
看外表有没有食物的迹象。通常,标志应该在包装袋的正面显眼的位置。一般来说,彩色塑料包装袋大多使用废旧塑料的回收材料,不能用来装食物。寻找塑料包装袋中的杂质。将塑料包装袋放在阳光下或灯光下,看看是否有黑点或洞。
Look for signs of food on the outside. Generally, the mark should be in a conspicuous position on the front of the packaging bag. Generally speaking, colored plastic packaging bags mostly use recycled materials from waste plastics, which cannot be used to hold food. Look for impurities in plastic bags. Put the plastic bag under the sun or light to see if there are black spots or holes.
济南塑料袋
有杂质的塑料包装袋一定是用废塑料做原料的。闻闻塑料包装袋有无异味,是否让人感到恶心。合格的塑料包装袋应该没有异味,不合格的塑料包装袋会因为使用添加剂而有各种味道。合格的塑料包装袋有一定的强度,撕开也不会破。
Plastic bags with impurities must be made of waste plastic. Smell the plastic packaging bag for peculiar smell, and whether it makes people feel sick. Qualified plastic packaging bags should have no odor, and unqualified plastic packaging bags will have various flavors due to the use of additives. Qualified plastic packaging bags have a certain strength and will not be torn open.
不合格的塑料包装袋往往强度差,容易因杂质而破裂。合格的塑料包装袋摇晃时会发出清脆的声音;不合格的塑料包装袋经常嗡嗡作响。将塑料包装袋放入水中,用手压到底,稍等片刻,然后无毒塑料包装袋浮出水面,有毒塑料包装袋沉到底。
Unqualified plastic packaging bags often have poor strength and are easy to break due to impurities. Qualified plastic packaging bags will make a crisp sound when shaking; Unqualified plastic bags often buzz. Put the plastic bag into the water, press it to the bottom with your hand, wait a moment, then the non-toxic plastic bag surfaced, and the toxic plastic bag sank to the bottom.
塑料包装袋的优劣可以看什么辨认呢?以上的内容希望能够给您好的帮助,使用的时候尽量去查询下怎么正确使用正确保存等等问题,这样可以更方便更安全,更多信息获取就来网站https://www.jnsuliao.com咨询吧。
What can you tell the advantages and disadvantages of plastic packaging bags? I hope the above content can help you. When you use it, try to check how to use it correctly, save it correctly, and so on. In this way, it can be more convenient and safe. Come to the website for more information https://www.jnsuliao.com Consult.