BFC called as Back Fill Compound or Mineral Fill Compound is an indigenous material used for back filling the earth pit during installation. It is an in-house production, it is manufactured by mixing nearly seven indigrents of some natural found minerals and chemicals which are non hazardous.
The properties of the above compound are 1] it is highly conductive in nature. 2] it is anticorrosive in nature. 3] it is Hygroscopic in nature also. This material is used instead of Salt and Charcoal, due to this material the earthing in the terms of resistance value will be lower and consistent. It is used to fill the surrounding of the electrode. It creates an artificial mother soil around the electrode so whatever may be your soil conditions the result will be same. It comes in 25 and 10 Kg Bags.