Lightweight Cement Mortars with Granulated Foam Glass and Waste Perlite Addition

Table 3

Content of active oxides in relation to the perlite grain size.

Expanded perlite	SiO2(act) (%)	Al2O3(act) (%)	Sum of active oxides (%)
Normal < 1 mm	17.0	2.8	19.8
Waste powder < 100 µm	31.1	5.5	36.6
Ground waste powder < 10 µm	48.2	6.6	54.8