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Castables

Gunning Compound or Gunning Mass

Gunning Masses are also un-shaped refractories made after blending graded refractory grains with suitable bonding agents and are installed with a Gunning Machine.
Type of Refractory Gunning Compounds -

  • Dry Gunning
  • Shortcreting
  • Flame Gunning 

Plastic Mass

Refractory materials tempered with water and/or added with a binder, which has adequate plasticity to be rammed into a place.

Ramming Mass

Ramming Masses are the ready-mix unshaped refractory products  usually tempered with water, that cannot be extruded but that has suitable properties to permit ramming into a place to form a monolithic refractory structure.
Type of Ramming Masses - 1. Dry Ramming Mass  2. Wet Ramming Mass

Spraying Mass

These are refractory mix consisting of fines and additives which are installed with a Spraying Machine (can also be applied with a Gunning Machine).  

Refractory Mortar

Powdered or finely ground refractory preparation which becomes plastic and trowel able when tempered with water and is suitable for laying and bonding refractory bricks while furnace lining.   

Industry Guru  >  Refractory Industry (Refractories Technical)

The classification and nomenclatures of monolithic refractories have been done on the basis of more than a single criterion out of which one is based on their setting or method of installation. The following are the terminologies of different type of Monolithic Refractory products classified as above:​​​​

Nomenclatures and Terminologies of Monolithic Refractory Products based on their setting or installation methods 

Coating Mass

Fettling Mass

It is a material which is deposited on the worn out areas of banks and bottom of Electric Arc Furnace (EAF) in hot condition. These are normally applied by shoveling and by using a Fettling Machine for intermittent repairing of Electric Arc Furnace.

These are dry mix hydraulic compositions of graded refractory aggregates with a suitable bonding material, Fillers & (/or) special Additives. On addition of the prescribed quantity of water to these compositions, a wet concrete-like mass is produced which forms useful castables. Ceramic bond is developed when the same is fired at a certain high temperature.
Type of Refractory Castables -

  • Conventional Castable
  • Low Cement Castables (LCC)
  • Ultra Low Cement Castables (ULCC)
  • No Cement Castables (NCC)
  • Light Weight Castables
  • Self Flow Castables (SFC)
  • Insulating Castables.

These are the Refractory materials especially made for coating on the working surface of the lining having a thin thickness. 

Injection Mass

These are the refractory materials that can be injected into a furnace in the slurry state. 

Patching Mass

These are powdered refractory materials mixed with water and/or added with a binder, and with adequate plasticity that can be patched in a place.