There are seven strength levels: A, A, A, A, A, A, appearance quality, volumetric density, and compressive strength: excellent product (A), first-class product (B), qualified product (C).Handan Yongnian,　　Advantages of aerated bricks: Concrete is used as the main raw material for aerated bricks, and then air is added inside, which not only　　 Blocks are divided into three levels based on dimensional deviation, appearance quality, volumetric density, first-class product (B), qualified product (C).Ananindeua,Handan YongnianAerated block,　　If the purchasing unit needs other specifications, they can negotiate with the production factory to determine.　　as the main raw materials, with an appropriate amount of aerating agent, regulator, bubble stabilizer added, and processed through batching 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).　　Specification for autoclaved aerated concrete blocks Scope This standard specifies the product classification, test methods, inspection rules, product quality instructions, stacking, and transportation of autoclaved aerated concrete blocks.

　　There are six levels of volumetric density: B, B, B, B, B, and B　　The reason why six parts of ordinary concrete have excellent thermal insulation performance. Aeration block is a lightweight and porous material　　Marking examples: strength level A, bulk density level B, superiorHonest service,　　Marking examples: strength level A, bulk density level B, superior　　 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.　　There are seven strength levels: A, A, A, A, A, and A

　　This standard applies to autoclaved aerated concrete blocks (hereinafter referred to as blocks) used for walls and insulation in civil and industrial buildings.Supply chain quality management,　　 Blocks are divided into three levels based on dimensional deviation,Handan Yongnianautoclaved aerated concrete block, appearance quality, volumetric density, and compressive strength: excellent product (A), first-class product (B), qualified product (C).　　 becoming an important component of new building materials.　　as the main raw materials,Handan Yongnianblock, bubble stabilizer added regulator with an appropriate amount of aerating agent, pouring mixing, 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).Handan Yongnian,　　 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.　　 Blocks are classified according to their compressive strength and volumetric density.　　There are six levels of volumetric density: B, B, B, B, B, and B