Blocks are divided into three levels based on dimensional deviation, appearance quality, volumetric density, and compressive strength: excellent product (A), qualified product (C).　　If the purchasing unit needs other specifications, they can negotiate with the production factory to determine.Liaocheng　　When deformation occurs, it will not damage the internal structure. In addition, during vibration, due to the inertia force of the aerated brick　　 Block product marking: Mark in the order of product name (code ACB), strength level, bulk density level, specification size, product grade, and standard number.Abu Arish,　　 Block product marking: Mark in the order of product name (code ACB), bulk density level, specification size, product grade, and standard number.　　There are six levels of volumetric density: B, B, B, B, B, and B　　 Blocks are divided into three levels based on dimensional deviation, appearance quality volumetric density, and compressive strength: excellent product (A), first-class product (B), qualified product (C).

　　 Blocks are classified according to their compressive strength and volumetric density.　　Silica sand and slag are ground into slurry with water, then powdered lime, and foaming agent are added, stirred, and injected into the mold frame　　as the main raw materials, with an appropriate amount of aerating agent, regulator, bubble stabilizer added, and processed through batching,LiaochengAerated block, mixing, pouring, static stopping, cutting and high-pressure steam curing. The unit volume weight of autoclaved aerated concrete blocks is one-third of that of clay bricks, and the insulation performance is - times that of clay bricks, The sound insulation performance is twice that of clay bricks, the impermeability performance is more than twice that of clay bricks, and the fire resistance performance is - times that of reinforced concrete. The masonry strength of the block is about % of its own strength (% for red bricks).Quality assurance,　　This standard applies to autoclaved aerated concrete blocks (hereinafter referred to as blocks) used for walls and insulation in civil and industrial buildings.　　as the main raw materials, with an appropriate amount of aerating agent, regulator, bubble stabilizer added, and processed through batching, mixing, pouring, static stopping, and high-pressure steam curing. The unit volume weight of autoclaved aerated concrete blocks is one-third of that of clay bricks, The sound insulation performance is twice that of clay bricks, the impermeability performance is more than twice that of clay bricks, and the fire resistance performance is - times that of reinforced concrete. The masonry strength of the block is about % of its own strength (% for red bricks).　　 The following standards contain provisions that constitute the provisions of this standard by reference in this standard. At the time of publication of this standard, all versions shown are valid. All standards will be revised, and all parties using this standard should explore the possibility of using the latest versions of the following standards.

　　If the purchasing unit needs other specifications, they can negotiate with the production factory to determine.Sales Department,　　This standard applies to autoclaved aerated concrete blocks (hereinafter referred to as blocks) used for walls and insulation in civil and industrial buildings.　　 When constructing aerated bricks, it is required that the mortar strength must meet the design requirements.　　If the purchasing unit needs other specifications, they can negotiate with the production factory to determine.Liaocheng,　　There are six levels of volumetric density: B, B, B, B, B, and B　　 Blocks are divided into three levels based on dimensional deviation, appearance quality volumetric density,Liaochengautoclaved aerated concrete block, and compressive strength: excellent product (A), first-class product (B),Liaochengblock, qualified product (C).　　Marking examples: strength level A, bulk density level B, superior