KHIA headerKnow-How in Action


Repair And Protection Of Foundry Sand Mixers With Belzona®



General Industry (GIND)



Solids Handling Machinery (SHM)


Customer Location:

Foundry in central Sweden.


Application Date:

December 2011


Application Situation:

A foundry with a specialisation in sand casting. The application was to a mixer for the sand used to create the moulds.



Severe wear on the bottom as well as the lower part of the inside walls/sides where the mixer arm passes and scrape along the sides.



Belzona® 1812 (Ceramic Carbide)





Application Method:

Application was carried out in accordance with Belzona System Leaflet SHM-13. Belzona 1812 was used to repair and protect the exposed surfaces. The rotating mixer arm was used to make sure the bottom and the lower parts of the sides in the mixer were even and correct clearances achieved. 


Belzona Facts:

This job can be considered as a sequel to similar applications successfully done in the USA, with the same Belzona product and technique.


Photographs Description

  1. The damaged sand mixer 
  2. An overview of the sand mixer 
  3. After the finished application of Belzona® 1812 
  4. An applicator mounted on the mixer arm to achieve the required profile
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


For more information about Belzona visit: