Patent ID: 11884590
Assignee: SWISSPEARL GROUP AG
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  E  Y | IPC C  E

Claim 5:
6. The fibre cement composition according to claim 1, wherein the inorganic fibre is a basalt fibre comprising:
SiO2 of from about 45 to about 60 weight percent, or
Al2O3 of from about 12 to about 19 weight percent, or
Fe2O3 of from about 5 to about 15, or
CaO of from about 6 to about 12 weight percent, or
MgO of from about 3 to about 7 weight percent, or
TiO2 of from about 0.9 to about 2.0 weight percent, or
Na2O of from about 0.9 to about 2.0 weight percent, based on the weight of the basalt fibre.