What are the materials for building blocks and what are the specifications?
According to the production process, it is divided into sintered brick (fired brick), autoclaved brick and steam curing brick.
According to the hole rate: solid brick (no hole or hole less than 25% bricks), porous brick (hole rate is equal to or greater than 25%, hole size, size and small number of bricks, often used in load-bearing parts, higher strength level. Hollow brick (hole rate equal to or greater than 40%), large pore size and small number of bricks, often used in non load-bearing parts, low strength grade. )
Material: clay brick, shale, coal gangue brick, fly ash brick, lime sand brick, concrete brick etc..
