Generally, it is not recommended to use food packaging paper for microwave heating. Such packaging is typically made of a composite material-combining paper and plastic film-designed to protect food from external contamination and spoilage.

When food is heated in a microwave, the microwaves generate heat by interacting with water molecules within the food, causing it to heat up rapidly. However, the plastic film component of the packaging can melt or release harmful substances when exposed to this heat, and in some cases, it may even pose a fire hazard.

Furthermore, pure paper products are also unsuitable for microwave use. Since they are made from wood pulp or plant fibers, they are combustible and carry a potential risk of catching fire.