The numbers 1, 2 in the triangle sign on the bottom of plastic products Which of these numbers on the bottom of plastic products can be used to hold boiling water? Which of them will be poisonous? Which of them can be used to hold soy sauce and vinegar? Which of them can't be used to hold food? In short, what are the uses, advantages and disadvantages of the products represented by these numbers?

The numbers 1, 2 in the triangle sign on the bottom of plastic products Which of these numbers on the bottom of plastic products can be used to hold boiling water? Which of them will be poisonous? Which of them can be used to hold soy sauce and vinegar? Which of them can't be used to hold food? In short, what are the uses, advantages and disadvantages of the products represented by these numbers?

Each plastic container has a small ID card - a triangle symbol, usually at the bottom of the plastic container. There are 1-7 numbers in the triangle, and each number represents a kind of plastic container. They are made of different materials and have different taboos in use

What are the advantages and disadvantages of the numbers 1, 2... In the triangle logo at the bottom of plastic products?
Which of these numbers on the bottom of plastic products can be used to hold boiling water? Which of them will be poisonous? Which of them can be used to hold soy sauce and vinegar? Which of them can't be used to hold food? In short, what are the uses, advantages and disadvantages of the products represented by these numbers?

There is a small health certificate in the plastic box. Do you use the used drink bottle as a water cup? Do you know which plastic containers can release toxic and carcinogenic substances by discharging hot water? In fact, each plastic container has a small ID card - a triangle symbol, which is usually at the bottom of the plastic container