Advantages and disadvantages of plastic products
发布时间：
2022-09-30
Phthalates enter the body through plastic containers of food and water, such as the coating on food cans and recycled milk and mineral water bottles. Studies have shown that the higher the fat content of canned foods, such as pork, anchovies and sardines, the more likely they are to be contaminated. Fetuses and infants, as well as adolescent children, are sensitive to it and their health is vulnerable.
advantages
1. Most plastics have strong corrosion resistance and do not react with acid and alkali.
2. Plastic manufacturing costs are low.
3. Durable, waterproof, light weight.
4. Easily molded into different shapes.
5. It is a good insulator.
6. Plastics can be used to prepare fuel oil and fuel gas, which can reduce crude oil consumption.
disadvantages
1. When it comes to recycling waste plastic, sorting is difficult and economically uneconomical.
2. Plastic is easy to burn, when burning produce toxic gas. For example, when polystyrene is burned, toluene is produced, which will lead to blindness and vomiting when inhaled in a small amount. PVC burning will also produce toxic gas hydrogen chloride. In addition to combustion, it is the high temperature environment that will lead to the decomposition of toxic components of plastic, such as benzene ring.
3. Plastics are made from products refined from petroleum, which is a finite resource.
4. Plastic can't be broken down naturally.
5. Plastic heat resistance is poor, easy to aging.
Plastic's inability to degrade naturally has led to many animal tragedies. For example, monkeys, pelicans, dolphins and other animals in the zoo will mistakenly swallow the No. 1 plastic bottle dropped by visitors, and then die painfully due to indigestion. Looking at the beautiful and pure sea, I looked closer and found that the sea was full of all kinds of plastic garbage that could not be contained by the sea. In the intestines of several dead seabird samples, various kinds of plastic that could not be digested were found.
One of the most dangerous plastics is phthalates, which are the main cause of lower sperm counts in men. The European Union already bans many phthalates in cosmetics, teething rings and children's toys. Pregnant women can still be exposed to phthalates, however, because the chemicals are often used to soften the plastics in household items such as plastic furniture, shoes, PVC floors and shower curtains.
Phthalates enter the body through plastic containers of food and water, such as the coating on food cans and recycled milk and mineral water bottles. Studies have shown that the higher the fat content of canned foods, such as pork, anchovies and sardines, the more likely they are to be contaminated. Fetuses and infants, as well as adolescent children, are sensitive to it and their health is vulnerable.
In order to reduce the harm of phthalates to the human body, it is important to note that it is best not to use foam containers to soak instant noodles and do not use plastic containers containing PVC to heat food in the microwave oven. The correct method is to heat the food in a heat-resistant glass or ceramic dish.
keyword:
plastic products
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