90 porous brick and ordinary shale brick, clay brick difference
Porous brick refers to clay, shale and fly ash as the main raw material, porous brick after molding, roasting and hole rate of not less than 15%~30%, the pass is a round hole or non circular hole, the small size and number of loading sintered porous brick has a rectangular or circular hole, is not equivalent to as long as the bricks some hole. The utility model can directly replace the sintered clay brick, and is widely used for various bearing, thermal insulation, bearing and frame filling construction walls with wide popularization and application prospect.
Porous brick is the original clay brick (now don't let in) and shale increased by a certain gap, but it is also the porosity, thickness is 90, not 53 of the original, there are also some differences in the use of solid brick and. Not for underground use.
