Types of bowls that cannot be placed in microwave ovens:

1. Metal bowls

Metal products such as iron bowls, stainless steel bowls, and enamel bowls are heated in microwave ovens During the process, electric sparks will be generated and microwaves will be reflected, which will damage the furnace body and prevent food from being heated. ?

2. Plastic bowls

When plastic bowls are heated, hot food will deform the plastic container and release toxic substances, contaminating food and endangering human health.

3. Ordinary glass bowls

Ordinary glass bowls generally cannot be heated in the microwave for a long time, otherwise they will crack or even explode. Use ones with "microwave oven special" A glass bowl with lettering, or a glass bowl made of high borosilicate.

Extended information:

1. Taboos for using microwave ovens:

1. Avoid using ordinary plastic containers: first, hot food will deform plastic containers; second, avoid using ordinary plastic containers. It is ordinary plastic that releases toxic substances, contaminates food, and harms human health.

2. Avoid using metal utensils: Iron, aluminum, stainless steel, enamel and other utensils placed in the furnace will produce sparks and reflect microwaves when heated by the microwave oven, which will not only damage the furnace body but also cause damage to the furnace. Warm food.

3. Avoid using closed containers: When heating liquids, wide-mouth containers should be used, because the heat generated by heating food in closed containers is not easy to dissipate, making the pressure in the container too high and easily causing explosion accidents.

4. Avoid using bottled food with a narrow neck: Even if the lid is opened, it will expand due to pressure, causing an explosion.

5. Do not use half-full bottles of baby food that have been opened or the original bottles and place them in the oven for heating to prevent the bottles from breaking.

6. Heat-resistant containers such as bamboo ware and lacquer ware, as well as glass products with concave and convex shapes, are not suitable for use in microwave ovens.

7. Porcelain dishes cannot be inlaid with gold or silver lace. Use special microwave utensils to hold food and heat it in the microwave.

8. Avoid overheating: Put food in the microwave to defrost or heat it. If you forget to take it out, if the time exceeds 2 hours, you should throw it away to avoid causing food poisoning. The heating time of the microwave oven depends on the materials and dosage, as well as the freshness and moisture content of the food.

Since the heating time of various foods is different, if the required heating time of the food is not certain, a shorter time should be used. After heating, the heating time may be increased depending on the degree of cookedness of the food. Otherwise, if the time is too long, the food will become hard, lose aroma, color, taste, and even produce toxins. Adjust the timing and power (temperature) knobs according to the type of food and cooking requirements. You can read the instructions carefully to understand.

9. Avoid heating meat until it is half-cooked and then heating it in a microwave oven: Bacteria will still grow in half-cooked food. When you heat it in a microwave oven for the second time, it is impossible to remove the bacteria due to the short time. Kill them all. Frozen meat products must be defrosted in a microwave oven before being reheated into cooked food.

10. Avoid freezing meat that has been thawed in a microwave oven: because after the meat is thawed in the microwave oven, the outer layer of the meat has actually been heated to a low temperature, and bacteria can breed at this temperature. Although refreezing can stop reproduction, it does not kill living bacteria. Meat that has been thawed in the microwave must be heated until fully cooked if placed in the refrigerator.

11. Avoid fried foods: high-temperature oil will splash and cause fire. If a fire accidentally breaks out in the furnace, do not open the door. Instead, turn off the power first and wait until the fire is extinguished before opening the door to cool down. ?

12. Avoid placing the microwave oven in the bedroom, and be careful not to cover the heat dissipation window grille on the microwave oven with objects.

13. Avoid working in front of the microwave oven for a long time: after turning on the microwave oven, people should stay away from the microwave oven or at least 1 meter away from the microwave oven.

14. Avoid using the same socket with other electrical appliances. Use a socket with a single power supply and a ground wire.

15. Avoid using a microwave oven to warm baby's milk, because if the milk is heated unevenly, it will easily burn the baby. In addition, the nutritional content of milk will be destroyed.

16. Do not use a microwave to dry clothes or boil hardened nail polish to prevent fire.

17. Do not remove food from the microwave oven with bare hands. When the containers and lids are heated, steam often accumulates and absorbs the heat from the food, making them very hot to handle. Heat-proof gloves or mats should be used to prevent burns.

18. Do not allow water-free food to be placed in the microwave oven while the microwave oven is working. This may cause damage to the microwave oven.

Reference materials:

Baidu Encyclopedia Microwave Oven