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Plastic box "out of service" will poison?

January 17, 2019

Plastic lunch boxes have a variety of materials June 30, the reporter visited several large supermarkets in downtown Laixi see, each supermarket's daily necessities area has different brands of lunch boxes in sales. The price varies according to the materials and brand, generally ranging from RMB 10 to RMB tens. The reporter noticed that most of the lunch boxes sold on the shelves are Plastic Products with different thicknesses. There are many plastic lunch boxes in the wrapping paper. The words that can be heated in the microwave oven are clearly stated on the text. In the packaging instructions for some plastic lunch boxes, the reporter saw that the material was marked in a prominent place, and most of the materials were polypropylene and polyethylene, and some of the lunch boxes were made of polystyrene, and most of them were marked with sustainable heating. temperature.

A supermarket worker explained to the reporter that if you want to use a microwave oven, it is best to choose a plastic lunch box for the microwave oven that withstands high temperatures, and pick up a lunch box with a price of more than 40 yuan to recommend it to reporters. The hot food in the lunch box is not harmful.

For plastic microwaveable plastic lunch boxes that would release plasticizers, the reporter interviewed several citizens. Most citizens expressed that they did not understand plastic plasticizers in plastic lunch boxes. Ms. Cai told the reporter that sometimes there is no time to come home from work at noon and they would use plastic lunch boxes to bring their meals to the unit and use microwave ovens to heat them. They did not consider the issue of plasticizers. “Plasticizers were only heard some time ago, but they haven't heard that plastic lunch boxes can also produce plasticizers,” said Ms. Cai. When she buys plastic lunch boxes, she pays special attention to the packaging instructions and only buys microwave ovens. Dedicated plastic lunch boxes are safer to use.

Many people do not know that the plastic lunch box has a shelf life in the supermarket. The reporter saw that the purpose marked on the plastic lunch box was “food use” and was marked with the date of production. Regarding the service life of plastic lunch boxes, the staff said that the plastic lunch boxes for microwave ovens can be heated repeatedly for a long time. This is certain, but it is not known how long the plastic lunch boxes can be used.

In an interview, the reporter learned that many people do not pay attention to shelf life when using plastic lunch boxes. Some lunch boxes are used for five or six years. In 2007, when the citizen Mr. Wang was handling his credit card in his senior year, the bank gave him a plastic lunch box with a lock and he has been using it until now. "The use of the lunch box has not been so bad for a long time, and it has been used without paying much attention to the use period." Mr. Wang said that if the shelf life expires, a new plastic lunch box should be used.

Exceeding the shelf life should be promptly replaced It is understood that plasticizers are also known as plasticizers. The use of plasticizers can enhance the flexibility of plastics and make them easier to process and shape. The industry has been widely used. Plasticizers interfere with the human endocrine system and affect the reproductive system of the human body, especially males. Studies have shown that long-term intake of plasticizers in large quantities may damage the liver and kidneys and affect the development of growth.

On June 30, the reporter interviewed Zhang Lin, a researcher in a plastics industry in Qingdao. Zhang Lin told reporters that plastic products have their heat-resistance. Among the materials used for food use, the most heat-resistant material at present is polypropylene, which can withstand 140°C, followed by polyethylene that heats up to 110°C, while polystyrene only Heat resistant to 90°C. According to Zhang Lin, the current special plastic lunch boxes for microwave ovens are mainly made of polypropylene or polyethylene whose heat resistance exceeds 100°C. If the temperature exceeds the limit of heat resistance, plasticizers may be released.

As for the shelf life of plastic lunch boxes, Zhang Lin reminded that any plastic products have a shelf life, plastics will expire after expiration, and there will be discoloration and brittleness. If the plastic box is found to be yellow or no longer transparent, it should be replaced as soon as possible. . The longer the Plastic Containers are used, the greater the risk of “toxicity”. At the same time, Zhang Lin told reporters that the use of plastic products in general is about three to five years or so, and if used frequently, one to two years better replacement.

The reporter’s inquiries revealed that at present, there is no clear provision in our country’s laws that plastic products must be marked on the outer packaging to guarantee their shelf life. However, Zhang Lin reminded that plastic food containers, bottles, cups and other food-grade plastic products are related to human health and are best used within the warranty period.


Our company also main to design Plastic Products, Paper Products, Wooden Products, Household Products, Stationery Products, Sewing Products and so on

Triple C International (ShenZhen) Co.,Ltd. was established in 2018. It`s a professional foreign trade company engaged in import and export trade, and carries out business operations such as international trade, cooperative production and intermediary trade. The company mainly provides high-quality OEM-product and ODM-product services for customs in Japan, Southeast Asia, Europe and Unite States, and has a professional technical team that provides hundreds of OEM-product services for dozens of customers, and has dozens of excellent suppliers. The company mainly provides sewing products, plastic products, paper products, wooden products, household products and other OEM services, including handbags, gift boxes, Storage Boxes, stationery boxes, kid toys, Paper Boxes , school supplies, office supplies and other products import and export business.

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