水泥浆稠度测定仪 NJ-2L

NJ-2L水泥浆稠度测定仪水泥是采用硅酸盐水泥或普通水泥，采用矿渣水泥时，应加强检查，以防止材性不稳定。水泥的标号不宜低于425号。NJ-2L水泥浆稠度测定仪
    水泥浆稠度宜控制在14-18S之间，稠度的测定采用1725ml漏斗试验，水泥浆从漏斗流出的时间（S），即为水泥浆的稠度。水泥浆面位置可用灌入1725ml水的方法找出。用点测规标记。
NJ-2L水泥浆稠度测定仪参数

灰砂比     砂的种类     水灰比   水泥砂浆容重kg/m2    极限切应力pa     粘度pa.s 

1:1        海砂          0.40        2240                40.0            0.58 

          粗粒河砂       0.60        2180                42.5            0.60 

           河砂          0.52        2200                42.8            0.63 

1:2        海砂          0.55        2160                40.0            0.50 

          粗粒河砂       0.78        2100                41.5            0.52 

          中料河砂       0.79        2230                41.5            0.48 

1:2.5      海砂          0.78        2200                39.5            0.54 

          粗粒河砂       0.81        2150                44.5            0.475 

          中粒河砂       0.79        2170                50.5            0.48 

1:3        海砂          0.79        2120                43.0            0.52 

          细粒河砂       0.91        2080                46.0            0.46 

          粗粒河砂       0.88        2030                40.6            0.47 

          中粒河砂       0.83        2000                44.0            0.52 

1:1        河砂          1.03        2050                39.0            0.59