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怎么样的建材是绿色建材？
发布日期：2021-11-17 15:24:36
怎么样的建材是绿色建材？
绿色建材的评价指标体系分为两类：第一类为单因子评价体系，一般用于卫生类评价指标，包括放射性强度和甲醛含量等。在这类指标中，有一项不合格就不符合绿色建材的标准。第二类为复合类评价指标，包括挥发物总含量、人类感觉试验、耐燃等级和综合利用指标。在这类指标中，如果有一项指标不好，并不一定排除出绿色建材范围。
绿色建材产品目标
根据绿色建材的定义和特点，绿色建材需要满足四个目标，即基本目标、环保目标、健康目标和安全目标。
基本目标包括功能、质量、寿命和经济性；
环保目标要求从环境角度考核建材生产、运输、废弃等各环节对环境的影响；
健康目标考虑到建材作为一类特殊材料与人类生活密切相关，使用过程中必须对人类健康无毒无害；
安全目标包括耐燃性和燃烧释放气体的安全性。
围绕四个目标制定绿色建材的评价指标，可概括为产品质量指标、环境负荷指标、人体健康指标和安全指标。量化这些指标并分析其对不同类建材的权重，利用ISO14000系列标准规范的评价方法作出绿色度的评价。
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