Silica gel

Our Köstrosorb® and Köstropur® silica gels consist of amorphous silica with a defined internal morphology / pore morphology and are available with particle sizes ranging from 2 to 25 µm (d50). Our special manufacturing process offers significant benefits, such as high chemical purity and selectively adjustable pore volumes.

Other features, such as surface properties, bulk densities or water absorption capacity can also be adjusted to your requirements.

Choose from our wide range of micronised silicas or let us know your requirements. We will be happy to find the right solution for your specific application.

Product Data

Properties:

  • Pore volume from 0.4 to 2.0 cm³/g
  • Average particle sizes ranging from 2 to 25 µm
  • Residual moisture between 2 and 60% achievable
  • Surface modifications according to customer requirements
  • Sol-gel processes for maximum purity

Example applications:

  • Protein stabilisation in beer
  • Anti-blocking material in film production
  • Matting agents in paints and varnishes
  • Anti-caking agent for powder and solids
  • Coating inkjet paper

Designation:

The most important properties of our silica gels are encoded in the product name in order to help you find the right product. A 6-digit numerical code is normally added to the Köstropur® trade name as follows:

  • The first pair of digits give the (residual) water content in the product (in %).
  • The second pair of digits represents the average particle size (in µm).
  • The third pair of digits provides information about the specific pore volume (in (cc/g)*10).

The 4-digit code for our Köstrosorb® products refers to the first two properties mentioned: Water content (in %) and average particle size (in µm).

Köstropur® / KöstroSorb®

Silica gelsFunctional fillerProcessing aidEadible oil filtrationProtein adsorptionAnticake agentMatting agentPigments for inkjet coatingsAdditive in the plastics industry
Köstropur® 020508
Köstropur® W050618
Köstropur® 021012
Köstropur® 050418
Köstropur® 050818
Köstrosorb® 1015
Köstrosorb® 3015/6015