95% of people do not know the meaning of numbers at the bottom of bottles or plastic boxes

At the bottom of the bottle or box is usually a triangle with an arrow and a middle number. Perhaps few people pay attention to this very important symbol.

Some families and grocery stores found using plastic bottles and containers for water, cooking oil and vinegar . Many people believe that these plastic bottles and cans are cleaned after being cleaned. knowing that toxicity can still be released during use.

Do you know the symbol in the picture?

Recently, the story of a 12-year-old girl living in the United Arab Emirates who repeatedly used a bottle of mineral water to drink and get cancer, is becoming a hot topic on many forums. The main reason is because water bottles contain toxic materials when used too many times and cause cancer. A bottle of ordinary mineral water or soda bottles when temperature reaches 70 degrees C will easily deform and release toxic substances.

At the bottom of the bottle, the medicine or food container usually has a triangular symbol with arrows . In the middle of the triangle is a specific number. For example, a student drinking water bottle or number 7; Pure water bottles, milk bottles or fruit juices usually have number 1; bottles of cooking oil, cosmetic jars or number 2; And the plastic noodle boxes have the number 5 on the bottom . But, few people care or understand the meaning of triangles and these numbers.

Number 1 means PET (polyethylene polyethylene terephthalate). Plastic bottles for drinks when reused if hot water is over 70 degrees Celsius is not only deformed but also resolves substances harmful to health. Scientists also discovered that this plastic product, if used for more than 10 months, can produce carcinogens.

Number sign in the triangle at the bottom of the mineral water bottle.

Number 2 means high density HDPE - polyethylene . These plastic bottles are heat resistant to 110 degrees Celsius, often used for food, shower gel or high purity items. When reusing it should be noted, because this plastic is difficult to clean, the remaining substances are easy to become bacteria.

Number 3 is PVC - PVC. PVC is often found in normal raincoats, construction materials, plastic and plastic containers, although it has good plasticity, low price but usually can only be used to a temperature of 81 degrees Celsius. This substance can be released a lot when At high temperatures it is rarely used as a product packaging, and it is also difficult to clean and cannot be reused.

Number 4 is LDPE - low density polyethylene. LDPE is quite common in noodle boxes and bimples. Products containing this substance will not be able to heat in the microwave, avoid high temperatures because it will release chemicals. People should not pack junk food in high temperatures and do not use a microwave to cook instant noodles.

Number 5 is PP (polypropylene plastic). PP is usually on the lid or bottom of a coffee cup, regular milk bottle, yogurt or juice bottle. This substance is usually resistant to temperatures of 167 degrees Celsius, so it can be reused, turned in a microwave oven. However, it should be noted that some of the bottom food containers are triangular with the number 5 but on the lid is No. 1. The number is PET, the substance does not withstand high temperatures, so when placed in the microwave it is necessary remove the lid of the box.

Number 5 in the triangle at the bottom of the bottle.

Number 6 is a polystiren (PS). PS is usually available in instant noodle boxes, fast food boxes. Although they are highly resistant to heat and cold, they should not be used in microwave ovens because when heated, they release chemicals. Besides, it should not be used with strong acidic substances, strong alkalis, because it will break down polystyrene which is harmful to the body.

Triangle with number 6 at the bottom of instant noodle box.

Number 7 is PC - PC plastic . PC is very popular, especially for making milk bottles and disposable cups. If a PC plastic bottle uses BPA (Bisphenol A), it is very harmful to the body. For regular plastic cups, pay attention not to keep hot water. If you notice that on the surface of the plastic, it is immediately removed because it may be bacteria that the naked eye cannot see.

Above is very important information because it is related to our health. Therefore, people should pay special attention to the number at the bottom or on the cover of each product they buy.