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The material type of cling film determines the quality of life

2021-01-29 管理员 Read 118

     According to relevant survey data, the household food cling film (PE cling film) sold on the domestic market in my country has been recognized as a zero-toxic substance product by various countries. Part of the media reported that most of the sales of carcinogenic PVC plastic wraps involve the fresh and cooked food departments of various supermarkets. They are generally used to pack raw fish, cooked food, fruit, and even some bulk food packaging. Everyone needs to pay attention not to directly heat the food with this kind of packaging bag, because this may accelerate the decomposition and release of carcinogens.

        When you use PE cling film, there are certain conditions. You know that PE cling film under normal temperature environment refuses to be heated. Generally, those PE cling film that can be heated should also be careful not to heat it. It melts during the process, but then the corresponding toxic substances will be released.

        Take a look at the detailed product description of PE cling film. If the corresponding PE cling film or polyethylene cling film is printed on the manual, it means that you can use it with confidence; if it says PVC (polyvinyl chloride) or not Detailed material description, everyone is best not to buy.

        2. "Touch" PE cling film, everyone with common sense will know that polyethylene cling film will give you a feeling that is not very sticky and not very transparent. If you use your hands to rub it, it is relatively simple to open it later, but gather Vinyl chloride cling film is just the opposite, easy to stick to your hands.

        3. "Fire" PE cling film, after the polyethylene cling film is ignited, the color of the flame is yellow, and everyone will find that it will not be extinguished immediately if it is far away from the fire source, it will be accompanied by oil dripping, and there is no pungent odor; However, the color of the flame after the PVC plastic wrap is burned is yellow-green, accompanied by a lot of smoke, and there will be no oil dripping. It will go out after leaving the fire source, and it will have a strong pungent odor.

        Experts related to PE cling film advise you: No matter what kind of internal material you use, you should pay attention to the following matters when using it:

        1. The use temperature of cling film is generally between 120°C and minus 40°C;

        2. The plastic wrap refuses to have direct contact with food for a long time;

        3. You should make a few thought gaps or small holes in the cling film during later heating to avoid blasting and prevent high temperature water vapor from falling on the food from the cling film.