Melting pure Nb ingot in h2o-cooled crucible beneath vacuum and remelting to realize homogenous solid Aerogel, referred to as the "entire world’s best insulating sound substance," is used to boost the thermal general performance of Power-saving elements and sustainable products for buildings, on-and off-shore industrial infrastructure and buyer solutions. Aerogel https://www.pinterest.com/pin/647814727681505871/