As we all know, there are too many types of tableware in restaurants. Some people are worried that finding inferior materials will not play an ideal role, and there will be many environmental problems. The following is about whether restaurant disposable tableware can be heated in a microwave oven and how to choose restaurant dinnerware. I hope you can care about these in the process of selecting materials, so that the use quality will be more guaranteed in the future, and you don't have to worry about environmental pollution.
1. Can disposable tableware be heated in microwave oven?
Most disposable tableware, whether it will melt or not, is best not to heat. Some disposable boxes can be heated. Although there are disposable lunch boxes made purely for heating, it is difficult for us to judge whether they can be heated. Therefore, I personally believe that as long as there is no mark on the lunch box that can be heated, it is not heated by default.
Disposable boxes can only be used as loading meals and can not be used again. The material of disposable lunch boxes is polystyrene, which is easy to melt in high temperature environment. Deformation will occur above 70 ℃, which is easy to be corroded by strong acid and alkali, not resistant to grease, and easy to change color after ultraviolet irradiation.
The safety of foamed plastic tableware is related to the pH, oil content and temperature of food. The state stipulates that the foamed plastic lunch box should be used below 70 ℃, so for the sake of safety, it is best to use only special microwave heating appliances.
2. How to choose restaurant tableware?
Ceramics can be said to be the best material, but some unscrupulous businesses choose some unsafe materials when coloring in order to make ceramic tableware look more beautiful. These materials are easy to precipitate after heating, causing harm to the human body.
Stainless steel tableware has gradually become a big upsurge in people's purchase. Stainless steel tableware is good, but there are certain taboos in use, which we need to pay attention to all the time.
(3) Glass tableware
Clean and hygienic, free of toxic substances. But glass tableware sometimes "moldy". This is because the glass is eroded by water for a long time, and the sodium silicate in the glass reacts with carbon dioxide in the air to form white carbonate crystals, which is harmful to human health, so it can be removed with alkaline detergent when in use.
At present, it is considered that safe plastic meals include polyethylene, polystyrene, polypropylene plastic products, etc. When purchasing and using, we must pay attention to confirm which type the plastic belongs to. Recycled plastics or plastics with dark pigment and non food plastics must not be used to contain or package food, otherwise they may cause toxicity to human body.
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