Paper

Can you heat
cardboard takeout box?

Plain cardboard is sometimes used for brief microwave reheating, but coatings, glue, handles and metal staples make it uncertain.

CHECK FIRST

Before heating

  1. 1Remove metal handles or choose another container
  2. 2Check for plastic lining
  3. 3Transfer food when uncertain
!

Main risk

Hidden metal can arc and coated cardboard can overheat.

Related materials

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