| abstract |
A food container (10) is provided with an opening portion (10) which is provided with an opening portion (10) which is formed integrally with a lid body or a container body and can be kept in a sealed state because it is hardly deformed when heated by a microwave oven And a lid body 12 for covering the opening 111 of the container body 11. The lid body 12 or the container body 11 is provided with a lid body 11, A sealing portion 13 is formed to seal the peripheral edge portion of the opening 111 in a state where the opening 111 is closed by the sealing portion 12. The sealing portion 13 has a weight average molecular weight of 100,000 to 500,000 A hydrogenated styrenic block copolymer A, a hardening agent B for a rubber hardening agent having a weight average molecular weight of 500 or more, and an olefin resin C and having a hardness A of not less than 5 and not more than 70 and a compression set of 100 CS) of not more than 60% And is formed integrally with the lid body 12 or the container body 11 made of polypropylene. |