| 摘要 |
PROBLEM TO BE SOLVED: To provide a lid material for a microwave oven which is put on the container 30 which is tray-shaped and has a cooked food like curry and rice, a bowl of rice with a chop-suey-like mixture on it and a chow mein to be heated by an microwave oven and eaten, which does not happen to curl and make a big crevice between the tray-shaped receptacle 30 and the lid material 20 for heating, which can perfectly prevent cooked food from scattering during heating and which is easy to process and is inexpensive to make. SOLUTION: The lid material 20 laminates a paper material layer 3 on the upper side and a resin film layer 4 on the lower side and is characterized by furnishing a water proof varnish layer 2 on the paper material layer 3. |
