Can plastic lunch boxes be microwaved?
Office workers often use lunch boxes to bring meals to the company and heat them in microwave ovens. There are many kinds of materials for lunch boxes, generally glass, plastic, ceramics and so on. Can plastic lunch boxes be microwaved? Let's take a look at the question about microwave lunch boxes with the editor. By the way, what kind of lunch boxes are used for microwave heating and which brand of microwave lunch boxes is good.
1. Can plastic lunch boxes be microwaved?
The materials of plastic lunch boxes are divided into PET, HDPE, PVC, PE, PS, OTHER, PP. Among them, only the PP material has a high temperature resistance of more than 100 °C, which can be used for microwave heating. The heat resistance of other plastic lunch boxes is lower than 100 °C. When used in microwave heating, it will not only deform, but also easily produce harmful substances and release toxic gases. The most common materials on the market that can be used for microwave heating are PP materials. This material is resistant to high temperature, does not produce substances harmful to human health when heated, and can be used repeatedly after washing.
Second, what kind of lunch box is used for microwave heating
1. Glass lunch box
Glass includes borosilicate glass, glass-ceramic, titanium oxide crystallized glass. Due to the good glass penetration performance, stable physical and chemical properties, and high temperature resistance, it is suitable for long-term use in microwave ovens. Glasses, milk bottles, etc. made of ordinary glass are only suitable for short-term heating in the microwave oven, about 3 minutes. If the heating time is too long, it is easy to break.
2. Ceramic lunch box
Ceramics are divided into heat-resistant ceramics and ordinary ceramics. Lunch boxes made of heat-resistant ceramics are suitable for long-term use in microwave ovens, while ordinary ceramic lunch boxes can only be used for short-term heating.
