Insulating Materials

Waterglass in insulating materials

Bonding of insulating components

Wöllner‘s Collosil range of inorganic, highly-binding adhesive systems based on soluble silicates enables insulating materials and components to be easily bonded and laminated.

Their properties are tailored for the intended use and individual application conditions.



  • Water-based
  • Diverse possible applications
  • Solvent-free (no VOC)
  • High thermal endurance
  • No hazardous decomposition products generated even at high temperatures
Wasserglas für Daemmstoffe Icon

Technical Data Sheets

Foamable waterglass-based adhesive with good wetting properties
-Collosil 550

High viscosity fire resistant adhesive based on soluble silicates
-Collosil 635

Low viscosity inorganic adhesives with high adhesion
-Collosil 640
-Collosil 645

Fire-resistant adhesive based on soluble silicates 
-Collosil 660

We are happy to advise you when it comes to finding the product from our range that best suits your industry and application. Furthermore, our specialists are also on hand to support you in creating optimal formulations and production processes.