
Microwaving cardboard might seem like a quick, convenient way to reheat food. You might've even done so in the past without anything going wrong. But is it actually safe to microwave cardboard containers?
Cardboard is made of paper fibers and flammable, meaning microwaving it leaves your kitchen open to a fire risk. Before attempting to microwave anything in a cardboard container, make sure you understand the risks involved, as our electrical and cooking experts warn.