BigPatents India

In the present invention there is provided a development of a chemical resistant geoploymer fly ash bricks for construction industries, which essentially consists of fly ash and sand in the ratio 1: 3 and aqueous solution containing activators such as sodium hydroxide, potassium hydroxide, calcium hydroxide and hardeners such as sodium silicate, calcium silicate, potassium silicate. This process eliminates cement, water curing/autoclave curing. The water absorption of the brick is very less when compared to the conventional clay bricks and the brick is chemical resistant.