Improvement of durability of porous perlite geopolymer ...
Perlite mainly composed of SiO 2, Al 2 O 3, Na 2 O, K 2 O and H 2 O is a kind of important no-metallic ore resource, which can be used for producing expanded perlite mineral materials. On the one hand, the expanded perlite as lightweight aggregate plays an important role in thermal insulation,,, . On the other hand, the expanded perlite ...