Aktifit PF 111 in moisture-curing adhesives

Calcined product, alkyl functionalized.

Aktifit PF 111 offers high rheological activity (higher viscosity at low shear rates, yield point, greater shear thinning).

excellent strength of properties, up to 2-fold or 3-fold calcium carbonate (tensile strength and lap shear strength), mostly without reducing the ultimate elongation

Product characteristics	Unit	Testing method	AKTIFIT PF 111
Functionalization			alkyl
Color values L* Color values a* Color values b*		acc. to CIELAB	96.2 - 0.1 1.0
Particle size D₅₀ Particle size D₉₇	µm	acc. to ISO 13320-1	2.3 11.0
Residue > 40 µm	mg/kg	acc. to DIN EN ISO 787 part 18	10
Volatile matter at 105 °C	%	acc. to DIN EN ISO 787 part 2	0.2
Electrical conductivity	µS/cm	acc. to DIN EN ISO 787 part 14	not applicable
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 0.35 0.65
Spec. Surface area (BET) Oil absorption	m²/g g/100 g	acc. to DIN ISO 9277 acc. to DIN EN ISO 787 part 5	9 55
Hardness silica/kaolinite	mg	acc. to Mohs	7/4.5
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)	not applicable not applicable
Chemical Analysis: SiO₂ Al₂O₃ Fe₂O₃	%	acc. to DIN 51001 (RFA)	86 13 < 1
Mineralogical Composition: Neuburg silica Calcined kaolinite	%	Based on X-ray diffraction pattern analysis combined with Rietveld	60 40
Equilibrium moisture content at 25°C and 50% relative humidity and 80% relative humidity and 90% relative humidity	%	acc. to DIN 66138	0.07 0.10 0.13
Water absorption	ml/g	acc. to Baumann	≤ 0.1
hydrophobic			X

In order to make available to you the most important information about our products at all times, you will find here the Material Specification.

The aspects to observe when working with our products are detailed in our Material Safety Data Sheet, which also can be downloaded.

Name	Short Description
SILLITIN V 85	Standard product, balanced profile of properties.
SILLITIN Z 86 puriss	Same as Sillitin V 85, but with higher viscosity and higher tensile and lap shear strength.
SILFIT Z 91	Same as Sillitin V 85, but with highest brightness and color neutrality, lower moisture content, lower viscosity, higher tensile and lap shear strength.
AKTIFIT AM	Same as Silfit Z 91, enables lower concentrations of amino silane.
AKTIFIT VM	Same as Silfit Z 91, but with very low moisture content without increase under humid climatic conditions, very high tensile, lap shear strength.
AKTIFIT PF 111	Same as Aktifit VM, but with high rheological activity with high tensile and lap shear strength, highest tear resistant in STP-U.
AKTIFIT PF 115	Same as Aktifit VM, but with highest lap shear strength in STP-U.

Name	Short Description
AKTIFIT VM	Hydrophobic, very low moisture content, low rheological activity, high tensile and lap shear strength.
AKTIFIT PF 115	As Aktifit VM, according to polarity of the PU moderate rheological activity.

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