SILLIKOLLOID P 87

Product characteristics	Unit	Testing method	SILLIKOLLOID P 87
Color values L* Color values a* Color values b*		acc. to CIELAB	94.5 0.9 9.0
Particle size D₅₀ Particle size D₉₇	µm	acc. to ISO 13320	1.5 6.5
Residue > 40 µm	mg/kg	acc. to DIN EN ISO 787 part 18	20
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 0.25 0.40
Spec. Surface area (BET) Oil absorption	m²/g g/100 g	acc. to DIN ISO 9277 acc. to DIN EN ISO 787 part 5	14 55
Hardness silica/kaolinite Abrasivity	mg	acc. to Mohs acc. to Einlehner	7/2.5 25
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)	80 14 < 1
Mineralogical Composition: Neuburg silica Kaolinite Other minerals Amorphous mineral phases	%	Based on X-ray diffraction pattern analysis combined with Rietveld	55 30 5 10