| 摘要 |
A cap of a container for a photographic film cartridge is disclosed, which comprises a polyethylene resin having 4 to 60 g/10 minutes of melt index, more than 4000 g/cm2 of bending elastic modulus, more than 55 D of Shore hardness and more than 70% crystallinity. Therefore, the cap is produced without coloring troubles or molding troubles even if it does not contain a lubricant and has a sufficient fitting strength at a high temperature. |
