Fly ash brick machine use fly ash, lime calcined gypsum and sand mixed in proper proportions to produce brick instead of clay bricks through brick making machine, these brick are lighter and stronger than common burned clay brick, one side can reduce the cost of cement, the other side it is an environmentally friendly as the construction rubbish which are able to be utilized. The construction rubbish always occupied a lot of land and affected surrounding environment.
Compared with normal clay brick, fly ash bricks are uniformed in shape and smooth, pleasing color like cement, less porous, water absorption at 6-12%, thermal conductivity 0.9-1.05W/m2 ºC