水泥细度国家规定规范-法律综合法律援助-法律咨询免费平台-国际律师联盟

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问题	水泥细度国家规定规范
释义	律师分析：国家标准（GB175－2007）规定，硅酸盐水泥比表面积应大于300㎡/kg;矿渣硅酸盐水泥、火山灰质硅酸盐水泥、粉煤灰硅酸盐水泥和复合硅酸盐水泥的细度以筛余表示，其80μm方孔筛筛余不大于10%或45μm方孔筛筛余不大于30%。【法律依据】：《通用硅酸盐水泥》第一条本标准规定了通用硅酸盐水泥的定义与分类、组分与材料、强度等级、技术要求、试验方法、检验规则和包装、标志、运输与贮存等。本标准适用于通用硅酸盐水泥。
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