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Distinguish between good and bad plastic bottles

by:SMART DRAGON     2020-06-02

PET: mineral water bottles, carbonated beverage bottles and other beverage bottles are not recycled for hot water use: heat resistant to 70 ° C, only suitable for warm drink or frozen drink, it is easy to deform when it is loaded with high-temperature liquid or heated, and substances harmful to human body are melted out. Moreover, scientists found that after 10 months of use, No. 1 plastic product may release the carcinogen DEHP, which is toxic to the testicles.

PVC: currently rarely used in food packaging * it is best not to use it: This material is easy to produce harmful substances at high temperature, as a result, it will be released even in the process of manufacturing. After poison enters the human body with food, it may cause diseases such as breast cancer and congenital defects of reborn children. At present, this kind of material container has been used less for packaging food. Assume that you are using it, don't let it heat.

LDPE: cling film, plastic film, etc. * cling film is not wrapped on the surface of food and used in microwave oven: heat resistance is not strong, usually, qualified PE cling film will show hot melt when the temperature exceeds 110 ℃, leaving some plastic preparations that cannot be synthesized by human body. Moreover, when the food is heated with plastic wrap, the grease in the food can easily dissolve the harmful substances in the plastic wrap. Therefore, when food is put into the microwave oven, the wrapped plastic wrap must be removed first.

PP: when the microwave oven lunch box * is placed in the microwave oven, remove the lid and use it: a plastic box that can be placed in the microwave oven, can be reused after paying attention to cleaning. Special attention should be paid to the demand. Some microwave oven lunch boxes are indeed made of PP No. 5, but the lid is made of PE No. 1. Since PE cannot withstand high temperature, it cannot be put into the microwave oven together with the box body. To be on the safe side, remove the lid before placing the container in the microwave oven.

PS: Bowl instant noodle box, fast food box * don't use microwave oven to cook bowl instant noodles: it is heat-resistant and cold-resistant, but it can't be put into microwave oven, in order to avoid the release of chemicals due to high temperature. And can not be used to multiply strong acid (Such as orange juice) Strong alkaline substances are easy to cause cancer because they can synthesize polystyrene that is bad for human body. Therefore, you should try your best to avoid packing hot food in a fast food box.

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