Table 1 Chemical compositions of magnesia (wt.%).

From: Tailoring the strength and porosity of rapid-hardening magnesia phosphate paste via the pre-foaming method

SiO2

TiO2

Al2O3

TFe2O3

MnO

MgO

CaO

Na2O

K2O

P2O5

Loss

Total

3.25

0.03

0.94

1.06

0.06

91.18

1.81

0.04

0.02

0.09

1.02

99.50