This product is designed for external hot repairs of the furnace tank, superstructure or crown, and also as a hot cavity filling product.

It performs well at a very wide range of temperatures.
The product is homogeneous and free-flowing, and can be applied at a very broad range of thicknesses.


  • Easy to apply: Thanks to its free-flowing properties, this product can be used in the most complex repair configurations
  • Versatility: It can be applied at a very wide range of temperatures and thicknesses
  • Fast tempering: Its specific formulation allows it to withstand very abrupt rises in temperature
  • Longevity: The use of electro-fused AZS grains gives the product unique corrosion resistance properties
To be mixed Pumpable Castable Hot Fast heat up Supervision
mixed icon pumpable icon castable icon hot icon fast heat up icon supervision icon


hot overcoat scenario

repair hot overcoat azs product scenario

This product fits perfectly to these furnaces

Container Flat Specialty Insulation Reinforcement
container furnace flat furnace icon speciality furnace icon insulation furnace icon reinforcement furnace icon


And this area




Technical information


  • Bulk density: 3.06-3.1 T/m3
  • Open porosity: 22%
  • Water addition for mixing: 8.5-9% Liquid Binder



25Kg Bag
Repair AZS Premix


12.5Kg Bag
Repair Hot Overcoat Binder


25Kg Drum
Repair Hot Overcoat AZS Liquid Binder

Chemical analysis
  ZrO2 SiO2 Al2O3 CaO Na2O
Repair HO AZS 32.3% 12.6% 53.8% 1.1% 0.82%