... leading Manufacturer of brick making machine, brick machinery, concrete block machine, brick making machine, cement brick machine, automatic block making machine, paver brick machine, brick machine, hollow block machine, cement block making machine, for many ... aerated block raw material proportion Name Unit Cement Lime Sand Sand % 55-65 Cement % 10-20 Lime % 20-30 Gypsum % 2-3 Aluminum powder ...