Special silica sand - GBM 55

OversizedFactorOversizedFactor F2theoretical
Sievematerial in F1material in %for theor.specific
openingg%forof samplespecificsurface
of sampleAFSx F1surfacein cm2
5.600 - 4.0000.0002050
4.000 - 2.8000.0003070
2.800 - 2.0000.0004090
2.000 - 1.4000.00060130
1.400 - 1.0000.00090190
1.000 - 0.7100.000150260
0.710 - 0.5003.003257537111
0.500 - 0.35522.002235770531,166
0.355 - 0.25028.0028451,260752,100
0.250 - 0.18027.0027601,6201052,835
0.180 - 0.12516.0016811,2961482,368
0.125 - 0.0904.004118472211844
0.090 - 0.0630.00016402960
0.063 - 0.0200.00027505460

Special silica sand - GBM 55SiO2 = 99.70%
Al2O3 = 0.11%
Fe2O3 = 0.04%

Melting point > 1,650 °C

MG = 0.26 mm

Theoretical specific surface
in cm2/g =94.24

Grain fineness number
AFS=54.93


delivery: silo-trucks, big bags, sacks

Special sands GBM are processed natural resources. All data are approximate values with production-related tolerances. They are used to describe and are not a contractual property.