| 摘要 |
<p>"Building material in particular for a cryogenic enclosure and enclosure provided with such a material". This invention relates to a layered composite material constituting a layered fluid-tight semi-finished building a structural material in the form of a relatively thin and flexible sheet. This composite material comprises two end layers, in particular of mineral fiber such as glassfiber, having a thickness of from 0.3 to 0.6 mm and metallic intermediate layer, notably of aluminum, having a thickness of from 0.04 to 0.10 mm.</p> |
