Technical data (sintering agent excluded in the chemical components)
SiO2 ⥠98.5%
CaO+MgO ⤠0.1%
Fe2O3 ⤠0.2%
Material density: 2.1g/cm3
Particle size: Not greater than 8.1 mm
Maximum usage temperature: 1,700â
Construction method: Dry vibration or dry ramming