Waterglass in refractotries

Bonding of chamotte powder

Particularly high demands are made on high-resistance mouldings used, for example, in furnaces Wöllner’s Betol product line of binders is the optimum choice for such applications.


  • Inorganic character
  • Non-combustible
  • High thermal endurance
  • Solvent-free (no VOC)
  • No hazardous decomposition products even at high temperatures
Wasserglas für die Feuerfestindustrie

Technical Data Sheets

Modified sodium silicate
-Betol 39 T

Binders based on sodium silicate
-Betol 50 T

Binders for silicate-bound coatings systems
-Betol K 28 T
-Betol K 35 T
-Betol K 42 T

Special binder based on soluble silicate
-Betol K 5020 T

Binders based on potassium silicate
-Betol K 54 T

Powder hardeners for soluble silicate-based binders
-Betol H 31
-Betol H 35

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.