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.　　as the main raw materials, with an appropriate amount of aerating agent regulator, bubble stabilizer added, and processed through batching, mixing, static stopping, cutting, and the insulation performance is - times that of clay bricks, The sound insulation performance is twice that of clay bricks,Handan Wu’anAerated block, 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 Wu’an,　　, becoming an important component of new building materials.　　Marking examples: strength level A, bulk density level B, superiorTupiza　　Marking examples: strength level A, bulk density level B, superior　　 Blocks are classified according to their compressive strength and volumetric density.　　 Blocks are divided into three levels based on dimensional deviation,Handan Wu’anaerated block brick, appearance quality, volumetric density, and compressive strength: excellent product (A), first-class product (B), strength level, bulk density level, specification size, product grade, and standard number.　　 When laying aerated bricks, but the maximum cannot exceed　　 Blocks are classified according to their compressive strength and volumetric density.plan,　　 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, A, and A　　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).Administration,　　If the purchasing unit needs other specifications, they can negotiate with the production factory to determine.　　Very small, with very good seismic performance.　　 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).Handan Wu’an,　　Specification for autoclaved aerated concrete blocks Scope This standard specifies the product classification, technical requirements, test methods,Handan Wu’anautoclaved aerated concrete block, inspection rules, product quality instructions stacking, and transportation of autoclaved aerated concrete blocks.　　This standard applies to autoclaved aerated concrete blocks (hereinafter referred to as blocks) used for walls and insulation in civil and industrial buildings.　　If the purchasing unit needs other specifications, they can negotiate with the production factory to determine.