Microwave lunch boxes
The texture is thick and solid, and it will not break no matter how it falls. The operating temperature is 140℃--30℃, and it can be placed in a microwave oven for high-heat cooking, and can also be placed in a freezer for low-temperature refrigeration. It will not become brittle or age.
The box body is generally glass-colored, clear and transparent. The lunch box has a small steaming rack built in, which provides convenience for steaming noodles, and has a dripping function, so that the water vapor will not moisten the food when heating oily foods, and keep the food original.
Insulated lunch box
The lunch box that can keep the temperature of the food can be divided into several types, such as stainless steel liner, tempered glass liner, etc. Different materials have different insulation properties. Vacuum insulation can last for 10 hours, and insulation and cold insulation can last for 24 hours.
Military lunch box
A professional lunch box used by troops for marching and fighting. Generally, it is light and compact, and is not easy to rust when carried. In addition, it is highly plastic and can avoid damage to the body due to bumps. Aluminum products can be used as pots in extraordinary times. In addition, they are also light and portable. Aluminum is light, reduces weight, is generally thin, has fast heat conduction, and saves fuel. Compared with military metal and iron and steel products, it is low-cost and suitable for large-scale equipment.
Plastic lunch box
Lunch box made of plastic. The raw materials of plastic lunch boxes cause the minerals and additives added in the lunch box to dissolve with the water, vinegar, oil, etc. contained in the food, so it is easy to produce odor.
Disposable lunch box
A lunch box made of foam plastic that can only be used once. Also called a white lunch box.