| 摘要 |
<p>A process of manufacture of a single layer thick dry felt through a wet process is disclosed, comprising using at least a part of a thermoplastic resin under powder form having a large mean grain size, preferably of at least 200 micrometres and most preferably ranging between 300 micrometres and 1,000 micrometres. The preferred thermoplastic resin is polypropylene.</p> |
