At present, common disposable plastic tableware in t […]
At present, common disposable plastic tableware in the market mainly includes: plastic lunch boxes, plastic cutting boards, disposable straws, plastic knives, forks, spoons, fresh-keeping boxes, plastic stirring rods, etc.
According to the materials used in production, there are mainly PET (polyethylene terephthalate), PE (polyethylene), PP (polypropylene), and PS (polystyrene). The four materials are non-toxic, odorless and tasteless.
We all know these letters, but what do they mean?
PET recycling mark
This kind of material has poor heat resistance, the maximum use temperature does not exceed 70℃, and it is best to use it at room temperature. Common mineral water bottles and carbonated beverage bottles are basically made of this material.
PE recycling mark
HDPE, high-density polyethylene, is often used as packaging for cleaning and bathing products, but generally not used for food packaging.
PE recycling mark
LDPE, low-density polyethylene, is relatively soft, has a waxy feel to the touch, is lighter than the same plastic, has a certain degree of transparency, has good heat and cold resistance, and has good chemical stability; common uses are food Fresh-keeping film, fresh-keeping bag.
PP recycling mark
Generally, the use temperature of PP is -6℃~120℃, so it is suitable for holding hot rice and hot dishes. It can be heated in a microwave oven or even cooked in a steam cabinet. The use temperature of modified PP can be controlled from -18℃ to +110 ℃, the lunch box made of this PP can not only be heated to 100℃, but also can be put into the refrigerator for refrigeration.
The material is hard and easy to shred. PS starts to soften when the temperature reaches 75℃, so it is not suitable for hot rice and dishes, but PS has good low temperature performance and is the best packaging material for refrigerated food such as ice cream and glutinous rice balls. .
After understanding the nature of disposable plastic tableware, how to choose? Remember this "five look"!
1. Look at the logo. When consumers buy disposable plastic tableware products, they must see if there is information such as QS logo, production license number, manufacturer, production address, etc., to improve product quality assurance; 2. Look at the packaging. When consumers buy disposable plastic tableware products, they should choose well-packaged products, pay attention to the production date and shelf life, and try to choose products within the shelf life to prevent bacteria and mold; 3. Look at the appearance. To buy disposable plastic tableware with smooth surface and uniform color, try to choose colorless and transparent products without decorative patterns; 4. Look at the smell. Smell for any peculiar smell or odor first to prevent odors from the food during use and affect food safety; 5. Look at the hardness. Whether the product is too soft, try not to choose a product that is too soft.
Precautions for using disposable plastic lunch boxes
The listing of disposable plastic lunch boxes has brought a lot of convenience to our lives, so its development is also an inevitable result. For us, what we need to understand is what we need to pay attention to when using. This is for our health and safety. Very important, so we must understand clearly.
When using disposable plastic lunch boxes, the first thing to pay attention to is that the cleanliness must be guaranteed. It is best to do some cleaning before use, so that hygiene problems can be guaranteed. Furthermore, some plastic scales cannot be used. The items must be understood to prevent these foods from being affected, thereby causing harm to our bodies.
The last thing you need to pay attention to when using disposable plastic lunch boxes is that some foam plastic lunch boxes must be eliminated. When buying such a lunch box, you must not buy it, otherwise it will not have much benefit when used. , Also has a certain impact on our physical health.