How to identify a plastic cup and whether it can be heated? 5

First of all, give LZ some information, 1 stands for PET (polyethylene terephthalate), which is generally made of this material for mineral water, carbonated drinks and energy drink bottles. The temperature is high and easy to deform, there may be some harmful substances to the human body to dissolve, do not put the mineral water in the open air or in the car in high temperature weather, and do not pour boiling water directly into this bottle.

2 stands for HDPE (high-density polyethylene), which was widely used in supermarkets and shopping malls in the past, which is more resistant to high temperatures, but not easy to clean and easy to breed bacteria;

3 on behalf of PVC (polyvinyl chloride), the plasticizer contains harmful substances, easy to precipitate when encountering high temperature and grease, at present, there are many plasticizers have been banned in Europe, China is relatively less used for packaging food plastic products;

4 stands for LDPE (low-density polyethylene), most of the plastic wrap and plastic film on the market are made of this material, the heat resistance is not strong, the qualified PE plastic wrap will be hot melt when the temperature exceeds 110, wrap the food with plastic wrap and heat, the oil in the food is easy to dissolve the harmful substances in the plastic wrap;

5 represents PP (polypropylene), the microwave oven lunch box is made of this material, resistant to 130 high temperature, poor transparency, some lunch box body is made of PP, but the box lid is made of PS (polystyrene), PS transparency is good, but it is not resistant to high temperature, so it can not be put into the microwave oven together with the box;

6 stands for PS (polystyrene), which is the material used to make bowl-filled instant noodle boxes and foaming fast food boxes, which are heat-resistant and cold-resistant, but can not be put into the microwave oven, and try to avoid packing hot food with fast food boxes;

7 represents other categories, such as plastic used to make baby bottles and space cups, and try not to use it to hold boiling water.

As for the triangular arrows, they are generally recyclable.

Personal opinion: These three materials of cups are more environmentally friendly and safe, and the degree of high temperature resistance is generally PE, I hope it will help you.

Except for the kind used in the microwave, and other things, especially thin plastics, can be toxic when heated.

There are triangle symbols at the bottom of the plastic cup, and there are numbers in the symbols, 1-5 can not be heated, and numbers above 5 can be heated.

If the triangle symbol under the cup is 5, it can be heated!!

The mark of high temperature resistance of a plastic cup is a thermometer that indicates the temperature it can tolerate, indicating the maximum temperature that the plastic cup can withstand. If there is a snowflake sign on the bottom of the plastic cup, it means that the plastic cup can withstand low temperatures.

If there is a ring symbol on the bottom of the plastic cup, it means that it can be recycled. A symbol with a wine glass and a knife and fork indicates that it can be used to hold alcohol, etc.

Plastic water cups are selected

Plastic water cups are loved by many people, especially children, teenagers and people who go out because of their changeable shape, bright color, low price and not easy to break.

The choice of plastic cups should be made of edible grade plastics, plastic belongs to polymer chemical materials, when the plastic cup is filled with hot water or boiling water, the polymer is easy to precipitate and dissolve into the water, and it is harmful to human health after drinking.

The internal microstructure of plastic has many pores, which hide dirt and bacteria if it is not cleaned cleanly. Therefore, the selection of plastic cups is very important for the selection of plastic materials, and it is necessary to choose food-grade plastics that meet national standards.

PC plastic cups are very controversial, since the PC plastic cups found out of bisphenol A substances, the heat of this plastic cup is less and less, and even many people give up the use of plastic cups, in fact, bisphenol A is terrifying, but it will only be triggered at high temperatures, if you don't use PC cups to fill hot water, you don't have to worry about the problem of bisphenol A.

The thermos cup has a plastic smell and can be used. Plastic thermos cup, there will be a plastic smell when you start to use, which can not be avoided, but with a long time, the taste will slowly fade, and finally until there is no plastic taste, such a taste is very normal, for the plastic particles used by large manufacturers are qualified after removal, except for the production of small factories.

How to remove the odor:

Wash with dish soap, after washing, there is a larger smell of dish soap in the cup, you can wash it several times with boiling water, or brew it with tea leaves, in order to achieve the effect of removing the odor. In the process of using the thermos cup, it is necessary to avoid collision and impact, so as not to damage the cup body or plastic, resulting in thermal insulation failure or water leakage. When tightening the screw plug, the force should be appropriate, and do not rotate too much, so as to avoid the failure of the screw buckle.

It is normal for the thermos cup to have a plastic smell, and the material of the thermos cup is made of plastic, which is generally divided into PC (food-grade plastic), PP (general plastic), stainless steel, etc., these thermos cup materials themselves are odorous, but some manufacturers will treat the odor of the cup to reduce or completely eliminate the odor.

If the water temperature is too high, it will scorch, and if it is not high enough, it will become very soft.

Using a plastic cup is more or less harmful to the body, after all, it belongs to polymer and will not be beneficial to the body. However, drinking cold water or cold drinks will not be too harmful, if it is hot water or hot drinks, it will have a chemical reaction with the plastic cup, which may produce harmful substances to the human body, so try not to drink hot water with a plastic cup.

The first choice for drinking water cups should be glasses, don't think that glasses are just transparent and good-looking, among all the materials of cups, glasses are the healthiest.

The glass does not contain organic chemicals in the firing process, when people drink water or other drinks with the glass, they do not have to worry about the chemicals being drunk into the stomach, and the glass surface is smooth, easy to clean, bacteria and dirt are not easy to breed on the wall of the glass, so people drink water from the glass is the healthiest and safest.

The colorful ceramic cups are very pleasing, but in fact, there are huge hidden dangers in those bright pigments, especially the inner wall is coated with glaze, when the cup is filled with boiling water or acidic, alkaline drinks, the lead and other toxic heavy metal elements in these pigments are easy to dissolve in the liquid, and people drink the liquid with chemicals, which will cause harm to the human body.

The plastic cup is often added with plasticizers, which contain some toxic chemicals, when the plastic cup is filled with hot water or boiling water, the toxic chemicals are easily diluted into the water, and the internal microstructure of the plastic has many pores, which hide dirt, and it is easy to breed bacteria if it is not clean.

Therefore, when we buy plastic cups, we must choose water cups made of food-grade plastics that meet national standards, and the first choice should be glasses.

<>1. In the mark at the bottom of the cup, there is a triangular box, and the number "5" in the box can be filled with boiling water.

PET: Heat-resistant to 65, cold-resistant to -20, can not be used to use hot water.

HDPE: It is not recommended to recycle.

No. PVC: It is better not to buy.

LDPE: Not strong heat resistance.

No. PP: microwave oven lunch box, fresh-keeping box, high temperature resistance 120 side.

PS: It is resistant to heat and cold, but it cannot be put in the microwave.

No.: PC its luck celery, kettles, cups, bottles.

It depends on whether the material is resistant to high temperatures. For example, PP material is resistant to high temperatures. PS material is not resistant to high temperatures.

1. 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.

2. The PET material cup is heat-resistant to 70, and can be filled with room temperature water for a short time, and cannot be filled with acid-alkaline drinks or high-temperature liquids, nor should it be exposed to the sun, otherwise it will produce toxic substances harmful to the human body.

3. 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.

4. AS (acrylonitrile-styrene resin), PC material and other categories, used in pots, cups, feeding bottles, etc., with high safety and drop resistance, but not high temperature resistance. 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.