There are six levels of volumetric density: B, B, B, B, B, and B　　There are seven strength levels: A, A, A, A, A, A and ADongchangfu District,　　, becoming an important component of new building materials.　　There are six levels of volumetric density: B, B, B, B, B, and BAbha,　　 Blocks are classified according to their compressive strength and volumetric density.　　There are six levels of volumetric density: B, B, B, B,Dongchangfu Districtblock, and B　　 Block product marking: Mark in the order of product name (code ACB), strength level, bulk density level, specification size, product grade, and standard number.

　　There are seven strength levels: A, A, A, A, A, and A　　Advantages of aerated bricks: Concrete is used as the main raw material for aerated bricks and then air is added inside, which not only　　 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.How much is it,　　 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　　 Blocks are divided into three levels based on dimensional deviation, appearance quality, volumetric density,Dongchangfu Districtaerated block brick, first-class product (B), qualified product (C).

　　Marking examples: strength level A, bulk density level B, superiortechnological innovation,　　Specification for autoclaved aerated concrete blocks Scope This standard specifies the product classification, technical requirements, test methods, inspection rules,Dongchangfu DistrictAerated block, product quality instructions, and transportation of autoclaved aerated concrete blocks.　　Silica sand and slag are ground into slurry with water, then powdered lime, gypsum, and foaming agent are added, stirred, and injected into the mold frame　　 Blocks are classified according to their compressive strength and volumetric density.Dongchangfu District,　　 Blocks are divided into three levels based on dimensional deviation, appearance quality, volumetric density, first-class product (B), qualified product (C).　　Control standard for radioactive substances in building materials mixed with industrial waste - Determination of steady-state thermal resistance and related characteristics of insulation materials - Protective hot plate method for testing the performance of aerated concrete - General rules - Test methods for volumetric density, moisture content, and water absorption of aerated concrete - Mechanical properties of aerated concrete - Test methods for drying shrinkage of aerated concrete - Test methods for frost resistance of aerated concrete ( - Terminology of bricks and blocks Product classification Specifications: The specifications and dimensions of the blocks are shown in Table 　　 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).