Our research and development since 1958 autoclaved sand-lime brick, light brick picture, in 1960 from the former East Germany to introduce sixteen hole rotary PRESS in Beijing built autoclaved sand-lime brick production line, and later developed eight-hole rotary press, light brick, which greatly promoted the development of autoclaved lime sand brick, make it have sand, lime and clay resources in the region and lack of resources of the main wall material. (1) Product Specifications GB GB11945-1999 specified in the shape of rectangular brick hexahedral brick nominal size length 240mm, width of 115mm, light brick okay, height 53mm. Production Other sizes products, determined by the user and Production consultation . (2) the mechanical properties specified in the GB11945-1999 MU10, MU15, MU20, MU25 four intensity levels, see Table 2-7 workability: This product is light weight, size specifications and diverse, easy to nail, drill, cut, sawn planing Lou laying pipelines, and the use of the expansion pipe in the wall, can be directly fixed hanging cabinet, air conditioning, smoke machines, etc., to your installation of water, light brick, home decor convenience. Sand lime brick density, typically sand stone, shape smaller. Light brick cinder generally used to do, lighter, larger, mostly middle is empty.