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本刊讯9月25日,工业和信息化部科技司发布消息,根据国家标准委下达的国家标准制修订计划,相关标准化技术组织已完成《通用硅酸盐水泥》等1项建材强制性国家标准的修改工作。据编制说明,本次修订内容是以第3号修改单的形式取消32.5R强度等级的复合硅酸盐水泥(PC32.5R)。32.5等级复合硅酸盐水泥(PC32.5和PC32.5R)存在比较突出的混合材种类和掺量超出标准范围的问题,取消复合32.5等级水泥有利于遏制不按标准使用混合材
On September 25, the Ministry of Industry and Information Technology Division issued a news release, according to the National Standard Commission issued by the National Standard revision plan, the relevant standardization technology organization has completed the “Universal Portland Cement” and a building materials mandatory countries Standard modification work. According to the preparation instructions, this revision is to cancel 32.5R strength grade composite Portland cement (PC32.5R) in the form of the No. 3 amendment list. 32.5 grade Portland cement (PC32.5 and PC32.5R) there are more prominent types of mixed materials and dosage beyond the scope of the standard problem, the elimination of composite 32.5 grade cement is conducive to curb the use of non-standard mixed materials