如何区分干混砂浆设备的品质优劣

砂浆设备是由专业生产厂家按照国家标准《预拌砂浆》GB/T 25181~2010标准定义预先配置而成，具有一定特定的使用功能，施工现场可以直接使用的建筑砂浆。是由普通硅酸盐水泥、砂、矿物掺合料及保水增稠材料组合而成的建筑工程材料。而优质的砂浆必须除符合国家规定的各项指标外，还应具备良好的施工性能，两者必须同时皆备。

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2.SHAJIANGYINGJUYOUYIDINGDESUXING，YECHENGSHAJIANGBAOMANDU，KETIGAOSHAJIANGDEDANXINGMOLIANG、KANGLIUGUAHESHAJIANGLIUDONGXING，CONGERJIANGDIKAILIEKONGGUDEJILV。

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1.保水率差，会造成塑性开裂：砂浆的保水率差，水分会容易散失，特别是对于吸水快的加气块墙体，水分被基材吸走，而砂浆未凝结，没有能抵抗因体积收缩产生的拉应力，砂浆出现不规则的裂纹。砂浆设备

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3.BAOSHUILVCHA，JIANGDISHIGONGXING：SHAJIANGBAOSHUILVCHA，JIUHUIFASHENGSHAJIANGMISHUI，SHAJIANGZAIJIASHUIJIAOBANHOUYUNSONGGUOCHENGZHONGHUOFANGZHISHIHUIFASHENGFENCENGHESHANG、ZHONG、DICENGCHOUDUBUYI，DAOZHIZHANJUXINGCHA、MOHUIRONGYILUOHUI、SHAJIANGCAOZUOXINGCHADENGHOUGUO。

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