| 摘要 |
<p>Foil (4) for heat-sealing glass containers (1) is made from aluminum (5) and is 30 -50 microns thick. It has an extruded polymer coating (6) of the same thickness. The polymer is an ethylene-acrylic acid copolymer with an oxygen content of 10 -25, especially 11 wt%.</p> |
