Disposable lunchboxes are plastic products that are best not used for long periods of time. The plastic is mostly made of polyvinyl chloride, a chemical that releases toxic substances at high temperatures, which are harmful to your health when they enter your body along with your food.
Disposable styrofoam lunch boxes and plastic bags for food seriously affect our health. When the temperature reaches 65 ℃, disposable foamed plastic tableware in the harmful substances will penetrate into the food, will cause damage to the human liver, kidneys and central nervous system.
The material used to manufacture disposable plastic fast food containers is polystyrene, an extremely widely used polymer material. Because it has a low toxicity, high melting point, plasticity, production and other characteristics, so that it becomes the manufacture of inexpensive, disposable disposable lunch boxes disposable excellent material.
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Expanded Information:
How to identify the quality of disposable lunch boxes:
A look, first of all, to see whether there is a QS logo and number on the lunch box; second, but also look at the surface of the lunch box is smooth reproduced from, please retain this mark, there are no impurities or black spots. In general, the transparent plastic lunch box is the use of pure polypropylene (PP) production, the safety factor is relatively high; brightly colored lunch boxes, may use waste plastic, so the darker the color is more unsafe. It is understood that today more and more formal hotels to choose the lunch box king of the packing box, lunch box king of the packing box using food-grade imported pp plastic, do not add any additives to ensure health and environmental protection.
Two touch, is to feel the strength of the lunch box, the use of recycled waste or a large number of industrial-grade calcium carbonate, talcum powder production of lunch boxes, the strength of the general are very poor, gently tear on the rupture.
Three smell, is to smell the lunch box with or without odor, qualified lunch box is not smell out the flavor.
"Black lunch box" is summarized in six phrases of the characteristics of the jingle: hand pinch soft, gently tear on the rupture, a pungent odor, heat deformation easy to leak, hand folded paraffin wax prints, torn into the water on the sinking. As long as you remember the above jingle, you can easily distinguish between disposable lunch boxes are qualified, environmental protection.