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Summary: 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, an[Read the full text]
Summary: The following standards contain provisions that constitute the provisions of this standard by reference in this stand[Read the full text]
Summary: Blocks are classified according to their compressive strength and volumetric density. Marking examples: strength lev[Read the full text]
Summary: appearance quality Blocks are divided into three levels based on dimensional deviation, volumetric density, and compr[Read the full text]