Plastic bottle bottom number secret

Almost every day we have to deal with all kinds of plastic bottles, such as thirsty, we will meet in the street to buy some plastic bottle packing beverage; Take a shower, we will use plastic bottle packaging of shampoo, bath dew; In the office, we will pick up the plastic bottle packaging glue, correction fluid. 。 。 。 。 。 All in all, around us is full of all kinds of plastic bottles. And when you picked up a plastic bottle, also found in the bottom of the bottle with the cycle of a triangle symbol, which surrounded by a number, and depending on the purpose of the plastic bottles, this number is different, so what does it represent the meaning, and our life what is the connection? Digital & quot; 1' - - PET chemical name: polyethylene terephthalate mineral water bottles, carbonated beverage bottles are made of this material. Experts pointed out that the beverage bottle cannot be used with hot water cycle, because this kind of material heat to 70 ℃, only suitable for the warm drink or beverage, with high temperature liquid or heating is easy to deformation, are harmful to human body material dissolution. Use for a long time, it would be possible to release carcinogens, toxic to the human body. Beverage bottle, etc, therefore, should give up, you're done don't be used as a water cup, or used to make containers holding other items. Digital & quot; 2. '' - - HDPE chemical name: high density polyethylene cleaning supplies, bath products of plastic containers, and the use of plastic bags in supermarkets and shopping malls is this kind of material made of more resistant to high temperature of 110 ℃, indicating the food with plastic bags can be used for holding food. Cleaning supplies, bath products of plastic containers can be reused after careful cleaning, but these containers are usually not good cleaning, residual original cleaning products, become a hotbed of bacteria, clean is not complete, it is best not to recycle. Digital & quot; 3' - - - - - - - - - - - - PVC chemical name: polyvinyl chloride (PVC) this kind of material of plastic products are prone to toxic and harmful substances from the two aspects, one is the production process is not fully single molecule vinyl chloride polymerization, plasticizer of pests. When the two substances in case of high temperature and oil easy to precipitate, toxicant after food enters the human body, easy to cause cancer. At present, this kind of material has been less used in packing food container. And for being used, should pay attention to don't let it is heated. Digital & quot; 4' - - - - - - - - - - - - LDPE chemical name: low density polyethylene film, plastic film, etc. Is this kind of material. Its heat resistance is not strong, usually qualified PE cling film at temperature over 110 ℃ hot melt phenomenon would appear, leave some of the human body cannot decompose plastic preparation. And, heating food with plastic wrap, the fat in food is easy to dissolve the harmful material in plastic wrap. Therefore, food into the microwave oven, to remove the wrapped in plastic wrap. Digital & quot; 5. '' - - - - - - - - - - - - PP chemical name: polypropylene microwave boxes are usually made with this material and its resistance to high temperature of 130 ℃, but transparency is poor, this is the only plastic box can be put into the microwave, reusable after careful cleaning. Need to pay special attention to is that some of the microwave oven, the box body to 5 PP manufacture, but lifted the lid on 6 PS manufacturing, although PS good transparency, but not high temperature resistant, so can't together with the box body into the microwave oven. To be on the safe side, before the containers in the microwave oven, first remove the lid. Digital & quot; 6' - - PS chemical name: it is used in the manufacture of polystyrene bowl of noodles box, the material of foamed snack box. Heat and cold, but not into the microwave oven, so as not to release chemicals because the temperature was too high. And cannot be used for holding acid ( Such as orange juice) , strong alkali, because of the polystyrene decomposition of harmful to human body. Therefore, try to avoid using snack box packaging hot food. Digital & quot; 7' - - PC and other type of PC is used by a large number of a material, especially used in the manufacture of bottles, space cup, etc. In recent years, the bottles because contain bisphenol A and controversial. Experts point out that, in theory, as long as in the process of production of PC, bisphenol A one hundred percent into plastic structure, then said products without bisphenol A, not to mention release. Only, if there is A small amount of bisphenol A is not converted into PC plastic structure, may be released into the food or drink. Traces of bisphenol A in the PC, the higher the temperature, the more release, the faster the speed, therefore, should not be to the PC bottle of hot water. If there are any hurt or damaged container, we suggest to stop using, because if there is a slight grooved plastic products surface, easy to hide. So to avoid repeated use of already aging plastic utensils. If you want to customize cosmetic plastic packaging bottles, please contact cosmetic packaging bottle manufacturers.
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