Patent ID: 11970422
Assignee: HCONNECT 2 GMBH
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  Y | IPC C

Claim 12:
13. The composite cement according to claim 1, wherein the pozzolan contains 0.5 to 4 wt.-% other elements and/or the pozzolan contains 46-54 wt.-% SiO2, 12-17 wt. % Al2O3, 8-14 wt.-% Fe2O3, 10-13 wt.-% CaO, 10-13 wt.-% MgO, 1.5-3 wt. % (K2O+Na2O) and/or the amount of the X-ray amorphous phase in the pozzolan is ≥60 wt.-%.