| 摘要 |
<p>1. Process for making a mixture of mineral fibres, which is particularly homogeneous and free from agglomerated fibres and contains fibres with a specific range of length determined in advance according to which an initial mixture of mineral fibres, which contains some fibres with a length exceeding a desired maximum is crushed to fragment the fibres, characterized in that the initial mixture of mineral fibres is granulated and is then crushed under this form of granules.</p> |
