200
≥99% SiO2 basis (calculated on ignited on substance, gravimetric)
solid
>10000 mg/kg LD50, oral (Rat)>5000 mg/kg LD50, skin (Rabbit)
≤1% With hydrofluoric acid non volatile matter (as sulfate, ignited basis)
10-20% loss on ignition, 1000 °C
1710 °C
water: insoluble at 20 °C
2-6 g/cm3 at 20 °C
60‑600 kg/m3
chloride (Cl-): ≤0.05%
Fe: ≤0.03%heavy metals (as Pb): ≤0.005%
sample preparation
2-30°C
1S/O2Si/c1-3-2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
13 - Non Combustible Solids
nwg