1 The crisper can be heated in the microwave oven.

2. However, the heating time of the fresh-keeping box should not be very long, generally not more than 2 minutes and 20 seconds, because the heating time will be shortened a lot by covering the lid of the warm-keeping box. If you want to heat it for a long time, you must leave a gap in the lid. For example, the fresh-keeping box such as Kangzhijia Lekou is very tight, and the steam in it will blow the lid up until it collapses. Therefore, Kang Zhijia reminds everyone that it is best not to use plastic utensils for heating. If it exceeds 140 degrees, the wholesale PP material for household items will release carcinogens. But this degree is difficult to grasp. If there is oil in the heated food, it will easily exceed 140 degree, thus producing substances harmful to human body.

3. The crisper can be heated in the microwave oven. However, when we want to cook food in the microwave oven, we'd better choose a polycarbonate (PC) box, a polypropylene PP box or a heat-resistant glass box. Generally, the bottom of the fresh-keeping box is marked with instructions. The fresh-keeping box can be heated in the microwave oven, but the time and temperature should be controlled well, and the fresh-keeping box should not be sealed when it is heated in the microwave oven. The sealed fresh-keeping box is easy to deform when heated again, and the food in the fresh-keeping box can be heated correctly to ensure family health and the service life of the fresh-keeping box.