Effects of Sb₂O₃ on the Mechanical Properties of the Borosilicate Foam Glasses Sintered at Low Temperature

Table 1

Main physical properties of the foam glass samples sintered at 775^°C for 30 min.

Sample label	(wt.%)	(%)	(g/cm^3)		(MPa)	WA (%)
A	0	75.86 ± 1.000	0.507 ± 0.015	0.49 ± 0.010	3.64 ± 0.090	1.91 ± 0.040
B	0.3	82.08 ± 1.200	0.475 ± 0.010	0.61 ± 0.015	4.242 ± 0.090	1.73 ± 0.040
C	0.6	82.57 ± 1.200	0.462 ± 0.010	0.74 ± 0.015	4.274 ± 0.080	1.69 ± 0.030
D	0.9	84.6 ± 1.300	0.408 ± 0.010	0.81 ± 0.020	4.392 ± 0.090	1.57 ± 0.030
E	1.2	82.8 ± 1.100	0.469 ± 0.015	0.53 ± 0.010	4.642 ± 0.080	1.62 ± 0.030

= porosity; = sintered bulk density; = degree of foaming; = compressive strength; WA = water absorption.