Analysis of the potential hazards of plastic products

In the market survey of the Chifeng City Consumers Association of Inner Mongolia Autonomous Region, it was found that in some supermarkets in Chifeng City, there are many colorful plastic cups displayed on the shelves, and consumers generally only choose the capacity and style of plastic cups, and few people pay attention. The composition and safe use of plastic cups.

In view of the potential harm of plastic products to human health, the Chifeng Consumers Association issued a consumer warning:

First, plastic products can not be reused for a long time, and plastic containers are used with caution to hold hot water.

The second is to look at the material of the plastic container. The identification method is to put the plastic container bottom up, and you will see a triangle symbol with three arrows. There are 1-7 numbers in the triangle. Each number represents a different one. material. Although this type of labeling is a non-mandatory requirement, large and medium-sized enterprises generally label plastic recycling labels in order to facilitate the recycling of plastic products. Therefore, consumers must choose the products of large enterprises when they choose plastic containers.

The digital mark 1 indicates PET (polyethylene terephthalate), and the mineral water bottle and carbonated beverage bottle are made of this material. The heat resistance is 70 ° C, and the high temperature liquid or the heat is easily deformed and harmful to the human body. Will dissolve.

The digital sign 2 indicates HDPE (High Density Polyethylene), which is commonly used in the production of white medicine bottles, cleaning products, and bath products. Most of the plastic bags used in supermarkets are made of this material, which can withstand high temperatures of 110 ° C and indicate plastics for food. The bag can be used to hold food.

The digital sign 3 indicates PVC (polyvinyl chloride), which is commonly used in the production of raincoats, building materials, plastic films, plastic boxes, etc. Plastic materials of this material are prone to produce toxic and harmful substances.

The digital mark 4 indicates that LDPE (low density polyethylene), cling film, plastic film, etc. are all such materials, and the heat resistance is not strong. Generally, the qualified PE cling film will have a hot melt phenomenon when the temperature exceeds 110 ° C, and will remain. Some plastic preparations that the human body cannot decompose. Using plastic wrap to wrap the food, the oil in the food can easily dissolve the harmful substances in the wrap. Therefore, consumers are reminded to remove the wrapped plastic wrap before putting the food in the microwave oven.

The digital sign 5 indicates PP (polypropylene), and the microwave lunch box is made of this material and is resistant to high temperatures of 130 ° C. This is the only plastic case that can be placed in a microwave oven. It is important to note that some microwave ovens are made of PP, but the lid is made of PS (that is, polystyrene).

The digital sign 6 indicates PS (polystyrene), which has good transparency but is not resistant to high temperatures and cannot be placed in the microwave oven together with the case. To be on the safe side, remove the lid before placing the container in the microwave oven. The digital logo 7 indicates PC (polycarbonate) and other types, and is used to manufacture products such as baby bottles and space cups.

Third, some inferior plastic products with odors are toxic, and plastic products that meet sanitary standards have no odor.

The Chifeng Consumers Association recommends that the numbers 1 and 7 contain bisphenol a. The higher the temperature, the more release and the faster the speed. Therefore, when using such containers, do not heat them to avoid direct sunlight. Use as few plastic containers as possible with the numbers "1" and "7"; use the baking soda powder with warm water before using the plastic container for the first time; do not use a dishwasher or a dishwasher to clean and dry the plastic container; If the container is not numbered, numbered, or the icon is not standard, it is an irregular product.

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