耐火极限和空气声计权隔声量标准简析

Brief analysis of standards of fireproofing limit and acoustic sound insulation volume

分析了墙体屋面及道路用建筑材料的耐火极限和空气声计权隔声量的相关标准,并介绍了中国建材检验认证集团西安有限公司在此方面的投入及相关资质。

This paper analyzes the related standards of fireproofing limit and acoustic sound insulation volume of building materials of wall,roof and road,and introduces the investment and related qualifications of China Building Materials Inspection and Certification Group Xi'an Co.,Ltd.in this respect.