09/11/2020 Plastics are classified and labeled as follows: PETE “1”, HDPE “2”, PVC “3”, LDPE “4”, PP: “5”, PS “6” and PC “7”.
This is the type of plastic that food technology experts advise consumers to say "no", although the No. 1 plastic is often used to store liquid foods such as soft drinks, mineral water, and water bottles. dips, juices…
Plastic No. 1 should only be used once, should not be reused many times because it contains BPA, which can dissolve in food and affect health. Especially when encountering high temperatures such as in a car, near a gas stove, in the sun. Should not be used to store food for a long time.
Scientists recommend that this type of plastic should not be reused.
This is the best plastic of all, can be used for long-term food storage. This plastic is highly heat resistant and chemically inert, does not release toxins into food.
Plastic No. 2 is used to make items such as: Plastic bottles, milk bottles, cooking oil containers, hard plastic bottles, toys and plastic bags.
This resin can be distinguished by color, which is usually a distinct blue color.
Plastic No. 3 includes packaging films, food wrapping films, transparent glass plastic films, cooking oil containers, water containers, liquid foods... PVC plastic is a very dangerous plastic because it contains many toxic substances such as: phthalates and BPA, can dissolve into food under the effect of temperature.
Therefore, absolutely do not wrap food while it is still hot. Absolutely do not use food wrap and then put it in the microwave to reheat. This is an extremely dangerous habit for health.
Do not reuse plastic #3 to store food, especially hot food.
Used in disposable products such as plastic bags or nylon gloves, nylon bags, bags and cake boxes.
Plastic No. 4, although chemically inert, has poor heat resistance, so it should not be used in the microwave, avoiding high temperatures.
PP is the plastic recommended by experts, because of its high heat resistance and chemical inertness, safe for health. PP plastic is usually slightly transparent. This plastic can be reused. Can hold water for a long time without being toxic.
Plastic No. 5 has the highest heat resistance, withstands 130 - 170 degrees, so it can be used as a food container, can be used in the microwave.
However, it should only be used in the microwave for 2-3 minutes, not too long.
PS plastic is a cheap and light plastic. Usually used as a food container or disposable forks, cups and spoons.
This type of plastic at high temperature and encountering acidic substances can release toxic substances. Therefore, this type of plastic is not allowed to be used for long-term food storage.
This is an extremely toxic plastic because it contains BPA, often used to produce plastic containers for chemicals or food containers such as yogurt boxes, instant noodles boxes, butter boxes ...
The number 7 is the symbol of unsafe and toxic plastics. Especially when storing hot food, it is likely to be contaminated with food, which is very dangerous.
(Source Natural News)
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