Sillitin N 75

Product characteristics	Unit	Testing method	Sillitin N 75
Color values L* Color values a* Color values b*		acc. to CIELAB	88.0 4.5 20.0
Particle size D₅₀ Particle size D₉₇	µm	acc. to ISO 13320	3.0 16.0
Residue > 40 µm	mg/kg	acc. to DIN EN ISO 787 part 18	25
Volatile matter at 105 °C	%	acc. to DIN EN ISO 787 part 2	0.5
Electrical conductivity	µS/cm	acc. to DIN EN ISO 787 part 14	80
pH Value		acc. to DIN EN ISO 787 part 9	8.7
Density Bulk density Tamped density	g/cm³	acc. to DIN EN ISO 787 part 10 acc. to DIN ISO 903-1976 acc. to DIN EN ISO 787 part 11	2.6 0.30 0.50
Spec. Surface area (BET) Oil absorption	m²/g g/100 g	acc. to DIN ISO 9277 acc. to DIN EN ISO 787 part 5	12 45
Hardness silica/kaolinite Abrasivity	mg	acc. to Mohs acc. to Einlehner	7/2.5 40
Refractive index n		sin α / sin β	1.55
Water solubility Acid solubility	%	acc. to DIN EN ISO 787 part 3 acc. to DIN 53770 (0,1 N HCL)	< 0.5 < 1
Chemical Analysis: SiO₂ Al₂O₃ Fe₂O₃	%	acc. to DIN 51001 (RFA)	83 10 2
Mineralogical Composition: Neuburg silica Kaolinite Other minerals Amorphous mineral phases	%	Based on X-ray diffraction pattern analysis combined with Rietveld	60 25 5 10