3 tips to identify whether plastic bags are toxic
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(1) Place the plastic bags in the water and press them to the bottom. The ones floating on the water are toxic and the ones sinking to the bottom are non-toxic. (2) Touch the plastic bags with your hands. Those that feel lubricated are not moldy, while those that feel sticky are toxic. (3) Grab the plastic bag and shake it hard. The sound will be crisp and non-toxic, but the sound will be muffled and toxic.
kindness. . . Is it accurate? You are probably talking about identifying whether plastic bags are made from waste, right?
study* When I bought food on site, most of them were given food bags, and only a few of them were of poor quality.
I don’t know if it’s accurate, but if it’s accurate it would be very practical:lol :lol :lol :lol
It seems quite simple, and I share the same sentiment as those above, regarding whether this method is accurate and what the rationale behind it is. It would be nice if I could analyze it. :)
Haha, it’s a good method, but everyone feels different about this method, and it’s still a bit difficult.
Take a small amount and swallow it or dip it in the sauce. If there is any discomfort, it is poisonous, otherwise it is not poisonous.
Please tell me: (1) Place the plastic bags in the water and press them to the bottom. The ones floating on the water are poisonous and the ones sinking to the bottom are non-toxic. " The density of polyvinyl chloride resin is greater than one, while the density of polyethylene is less than one. According to your opinion, PE is toxic and PVC is non-toxic. I don’t understand this. Please enlighten me!!!
I'm really not sure about the first one, but I think the second one makes more sense. The poor-quality plastic bags are a bit sticky, as if they are recycled ones. Is there something added to make them sticky? Did that dull one at the end have too much filler? Haha... I ate biscuits last night and found that the ones produced by a certain famous factory have a crisper sound... Can anyone explain it? What are the reasons for each article?
The density of PE in the first article must be less than one, and it is not allowed. If elastomer is used in the second article, it will definitely be sticky. The third article LDPE is soft and should not have a crisp sound.