- MgO % 19.5 22.5
- CaO % 31.5 32.5
- SiO2 % 0.1 · 0.35
- Al2O3 % 0.5 0.6
- S % 0.008· 0.02
(1) SiO2 % 37 39
(2) CaO % 45 47
(3) MgO % 1.5·3.0
(5) Humidity (W) % 8·15
(7) Strength activity index with Portland cement
- 7 day % 82·85
- 28 day % 93·96
(8) Final setting time of mortar of time - mineral additives h 78·82
(9) Soluble alkali of mineral additives after 28 days 1
