| abstract |
Disclosure of the Invention The present invention is directed to suppressing the occurrence of balloon-shaped bubbles. In order to solve the above problems, the expansion-molded article of one aspect of the present invention has an average cell diameter (in the thickness direction T) of the inner surface side A of the foamed molded product when the foamed molded article is bisected in the thickness direction T ? 1) is 1.2 times or more ((? 1 /? 1) = 1.2) of the average cell diameter? 1 in the thickness direction T of the foamed molded article outer surface side B and the surface roughness Sm of the inner surface of the foamed molded article is And is characterized by being at least 1,000 mu m. |