Patent ID: 11891333
Assignee: COSENTINO RESEARCH & DEVELOPMENT, S.L.
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 18:
19. A process for preparing the artificial agglomerate stone material as defined in claim 10, comprising:
a) mixing a hardenable binder and inorganic fillers comprising synthetic silicate granules comprising:
52.5-59.8 wt % of SiO2,
33.5-41.1 wt % of Al2O3, and
0.3-3.1 wt % of Na2O,
based on the weight of the synthetic silicate granules,
wherein the granules comprise a crystalline phase in a range 5-80 wt. %, based on the weight of the synthetic silicate granules,
b) vacuum vibrocompacting the unhardened mixture obtained in a), and
c) hardening the compacted mixture obtained in b).