Sillikolloid P 87 puriss in solder resist inks

Sillikolloid P 87 puriss offers improved dispersion performance.

 

  • particle size spectrum meeting requirements
  • no disturbing electrolytes
  • excellent dispersion properties
  • low sedimentation
  • balanced rheology
  • good edge covering
  • no effect on UV-curing
  • superior chemical resistance
Product characteristics Unit SILLIKOLLOID P 87 puriss
Color values L*
Color values a*
Color values b*
94.5
0.9
9.0
Particle size D50
Particle size D97
µm
1.5
6.0
Residue > 40 µm
mg/kg
8
Volatile matter at 105 °C % 0.5
Electrical conductivity µS/cm 80
pH Value 8.7
Dispersion time in ester plasticizer min 8
Density
Bulk density
Tamped density
g/cm³
2.6
0.20
0.34
Oil absorption
g/100 g
55
Hardness silica/kaolinite
Abrasivity
mg
7/2.5
20
Refractive index n 1.55
Water solubility
Acid solubility
%
< 0.5
< 1
Chemical Analysis:
SiO2
Al2O3
Fe2O3
%
80
14
< 1
Mineralogical Composition:
Neuburg silica
Kaolinite
Other minerals
%
55
30
5

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

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

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All information about material characteristics, application fields and benefits can be found in this Technical Data Sheet and is also for download available here.

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