Can a plastic lunch box be microwaved

- Jul 05, 2019-

Plastic lunch boxes are PP or PE and can be microwaved. But you should avoid using high temperatures for long periods of time.Each plastic has its limit of heat resistance, food use of materials, the most heat resistance is currently polypropylene (PP) can withstand 140℃, followed by polyethylene (PE) can heat resistance 110℃, and polystyrene (PS) can only heat resistance to 90℃.The microwave oven special plastic lunch box on the market, mainly made of PP or PE, if the temperature exceeds their heat resistance limit, plasticizer has the possibility of release, so should avoid long-term use of high temperature heating plastic lunch box heat food.