1. When heating oily food, the plastic wrap should be separated from the food, and the second layer of plastic wrap should not be used.
Direct contact. Because when heating food, the cooking oil may reach a very high temperature, which will damage the plastic wrap and stick to the food.
2. When heating food, cover the container with plastic wrap, and then use a toothpick and other needles to make a few small holes in the plastic wrap to facilitate the evaporation of water and prevent the plastic wrap from bursting due to gas expansion.
3. The maximum heat-resistant temperature marked by different brands of plastic wrap is different, and some of them are about 10℃. When the temperature in the microwave oven is high, it will generally reach about 1 10℃. When heating is needed for a long time, you can pay attention to the choice of plastic wrap with high heat resistance.