| abstract |
It provides a stretched body with high barrier properties under high humidity, and a method of manufacturing PET bottles and containers. A stretched body of a composition comprising a semi-aromatic polyamide resin and a plate-shaped talc having an aspect ratio of more than 18, wherein the content of the plate-shaped talc having an aspect ratio of more than 18 in the composition is the semi-aromatic polyamide resin and the aspect ratio of 18 When the total content of the excess plate-like talc is 100% by mass, it is a stretched body of a composition of 3.0 to 55.0% by mass. |