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No. 7 plastic indicates polycarbonate.
PC) other plastic products. PC is a material that is widely used, especially in the manufacture of baby bottles, space cups, etc., because it contains bisphenol A
And controversial. Experts pointed out that, theoretically, as long as BPA is 100% converted into a plastic structure in the process of making PC, it means that the product is completely free of BPA, let alone released. However, if a small amount of BPA is not converted into a plastic structure of PC, it may be released into food or drink.
Therefore, it is important to take extra care when using this plastic container. The higher the temperature of the residual bisphenol A in the PC, the more it is released and the faster it is released. Therefore, you should not use a PC water bottle for hot water.
If your kettle is numbered 07, you can reduce the risk by not heating it and not in direct sunlight when using it. No dishwasher required.
Dishwasher clean kettle. Before first use, use baking soda.
Wash with warm water and dry naturally at room temperature. If there are any falls or damages to the container, it is recommended to stop using it, because if there are fine pits on the surface of the plastic product, it is easy to hide bacteria. Avoid reusing plastic utensils that have deteriorated.
Temperature range: -40 125 but not too high.
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The safe use temperature range of the size 7 plastic cup is between -40 and 125. However, please note that it is not recommended to use a size 7 plastic cup for hot water, and the water temperature should not exceed 80.
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Yes, PC is the seventh level and becomes "number 7". Common PC types, such as water bottles, space cups, and baby bottles. Department stores often use water cups made of this material, PA, that is, nylon, which are mostly used for fiber textiles and some home appliances and other products.
PC is prone to release the toxic substance bisphenol A at high temperatures, which is harmful to the human body. Do not heat when using and do not expose to direct sunlight.
PET is a milky white or light yellow, highly crystalline polymer with a smooth and shiny surface. It has excellent physical and mechanical properties in a wide range of temperatures, with a long-term use temperature of up to 120, excellent electrical insulation, and even at high temperature and high frequency, its electrical properties are still good, but the corona resistance is poor, creep resistance, fatigue resistance, friction resistance, and dimensional stability are very good.
PET has ester bonds, which will decompose under the action of strong acids, strong alkalis and water vapor, and has good resistance to organic solvents and weathering. The disadvantages are slow crystallization rate, difficult molding processing, high molding temperature, long production cycle, and poor impact performance. Generally, the processability and physical properties are improved by reinforcement, filling, blending and other methods, and the effect of glass fiber reinforcement is obvious, and the rigidity, heat resistance, chemical resistance, electrical properties and weather resistance of the resin are improved.
However, it is still necessary to improve the disadvantages of slow crystallization, and the addition of nucleating agents and crystallization promoters can be adopted. The addition of flame retardants and flame retardant dripping agents can improve the flame retardancy and self-extinguishing properties of PET.
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The number inside the eco-label represents a type of plastic product. No. 7 is made of polycarbonate.
PC is an abbreviation for polycarbonate, and since polycarbonate does not fall within the range of materials in 1-6 above, the circular sign is triangular in shape.
The number marked in the middle is 7. At the same time, in order to facilitate the sorting during the cycle, the water cup marked with the material name next to the recycling sign is easy to release the toxic substance bisphenol A
It is harmful to the human body, remember not to heat it when using it, and do not expose it to direct sunlight.
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7"——AS (acrylonitrile-styrene resin), PC material and others.
Used in pots, cups, feeding bottles, etc., it has high safety and is resistant to falling, but it is not resistant to high temperatures. It is not harmful to drink cold water, but if it is filled with hot water, it will produce substances that are harmful to the human body. Therefore, we must pay more attention when using AS plastic cups.
The number on the bottom of the cup indicates the meaning:
1" - PET (polyethylene terephthalate).
Mostly seen in mineral water bottles, beverage bottles, this material is heat-resistant to 70, can be filled with room temperature water for a short time, can not be filled with acid-alkaline drinks or high-temperature liquids, and should not be exposed to the sun, otherwise it will produce toxic substances harmful to the human body.
5" - PP (polypropylene).
The PP plastic water cup is made of polypropylene, which has good thermal stability and insulation, safety and harmlessness to the human body. The product can be sterilized at a temperature of more than 100 meters, and under the condition of not being affected by external force, 150 meters will not be deformed, and there is no pressure in boiling water.
58" – PC (Polycarbonate).
It is commonly used in kettles, space cups, and baby bottles, and department stores often use such material cups as gifts. However, the cup of this material is generally not resistant to high temperature, if it is heated or in an acidic and alkaline environment, it is easy to release the toxic substance bisphenol A (BPA), so do not use it to hold hot water, and it is best to use warm water for cleaning.
6" – PS (polystyrene).
The plastic cup made of PS material is particularly brittle, low temperature resistance, and cannot be used in high temperature, strong acid, and strong alkali environment.
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No. 7 plastic cup refers to the plastic water cup The type of resin used is Shilu PC and other types of PC, which is a coincidental material that is used in large quantities, and is mostly used in the manufacture of milk bottles, space cups, etc.
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Plastic bottle No. 7 indicates that the bottle is made of polycarbonate (PC) and other plastics.
No, the general cups are made of plastic, its plastic raw materials, and the cups are all food-grade raw materials, so there is no toxicity, unless you buy recycled materials (recycled materials), which will definitely be harmful to the body. When you buy it, you can also see it, first see if the outer packaging has safety testing, certificate, production date, manufacturer, etc., and then see if the cup has black spots, clean and bright generally there will be no problems, otherwise, even if it is made of recycled materials.
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As long as you don't pour too hot water, you'll be fine