| 摘要 |
<p>A packaging container for electronic parts which has excellent mechanical strength. The packaging container comprises a multilayered polyester sheet which has a base layer comprising a polyethylene terephthalate resin and a polycarbonate resin and, formed on at least one side thereof, a surface layer comprising a polycarbonate resin, and in which the amounts of the polyethylene terephthalate resin and the polycarbonate resin in the base layer are 70 to 97 wt.% and 3 to 30 wt.%, respectively, based on the sum of these resins and the thickness of the surface layer accounts for 10 to 30% of the total thickness of the sheet.</p> |
