And can not be used to contain strong acids (such as orange juice), strong alkaline substances, because it will decompose polystyrene, which is not good for the human body, and easily cause cancer. This sign is also a sign of 'recycled'. To be safe, remove the lid before placing the container in the microwave. The number '1' means that the material of the plastic is PET, namely polyethylene terephthalate, common mineral water bottles, carbonated beverage bottles, etc. Special attention should be paid to some microwave lunch boxes. More common in bowls of instant noodle boxes and fast food boxes.After the toxic substances enter the human body with food, they may cause breast cancer, birth defects and other diseases in newborns. The heat resistance is not strong. When buying plastic products, you must choose the products you want. This kind of material is prone to produce harmful substances when it is high temperature, and it will even be released during the manufacturing process. The number '7' represents materials other than PVC and polystyrene rice bin Suppliers or synthetic materials made of multiple plastic materials. Therefore, when food is put into the microwave oven, the wrapped plastic wrap must be removed first. General products are cling film, plastic film, etc. The number '2' means that the plastic material is HDPE, which is commonly used as packaging bottles for cleaning products and shower products. The box body is indeed made of No. The number '4' means that the plastic material is LDPE. Let's first understand the identity represented by these 7 numbers. In addition, when food is wrapped with plastic wrap and heated, the fat in the food can easily dissolve harmful substances in the plastic wrap. Therefore, you should try to avoid using fast food boxes to pack hot food. Generally, qualified PE cling film will melt when the temperature exceeds 110 ℃, leaving some plastic preparations that cannot be decomposed by the human body. Because PE cannot withstand high temperatures, it cannot be placed in the microwave together with the box.. Containers of this material have been rarely used for packaging food. The number '5' means that the plastic material is PP. The number '3' means that the plastic material is PVC. The number '6' means that the plastic material is PS. High temperature resistant, can be used repeatedly, but cannot be heated in a microwave oven.Not used for food packaging. If it is in use, do not let it heat up. It is heat-resistant and cold-resistant, but it cannot be placed in a microwave oven to avoid the release of chemicals due to excessive temperature. More common in kettles, drinking cups, and baby bottles. 5 PP, but the lid is made of No. Only by clarifying their respective identities can they be better used.Each plastic product has a triangle with an arrow at the bottom, which contains Arabic numerals from 1-7. High temperature resistance, more common in microwave lunch boxes. These 7 numbers represent different identities., heat-resistant to 70°C, easy to deform, and dissolve harmful substances to the human body; use After 10 months, the carcinogen DEHP may be released; it cannot be placed in the car in the sun, and it cannot be filled with alcohol or oil. Can be reused after careful cleaning
