| 摘要 |
Heat insulating material (1) consisting of a stack of reflective elements, separated by an insert material, each reflective element comprises a reflective foil (2) on which is deposited an insert material (3) represented by a powder having a particle size distribution less than 1 žm. The reflective foil may be coiled up or folded to delimit the reflective elements. The reflective foil may be aluminium. The powder may be alumina, calcium silicate, precipated silica or titanium dioxide. The insulation may be used for tubes or containers. |
