销售台湾食品是否要换中文标签

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首頁>産品中心>>水泥試驗儀器>SPZ-100水泥混凝土豎向膨脹率測定儀

水泥混凝土豎向膨脹率測定儀

産品簡介：

水泥混凝土豎向膨脹率測定儀用于測定漿液的補償收縮性能，定量測定漿液材料的豎向膨脹量。

更新時間	2025-09-17
訪問次數	1732
産品型號	SPZ-100

詳細介紹

品牌	榮計達儀器	價格區間	面議
産地類別	國産	應用領域	環保,化工,建材/家具,電子/電池,道路/軌道/船舶
試模尺寸	￠100*100mm	試模材質	金屬
百分表量程	0-10mm，精度0.01mm

水泥混凝土豎向膨脹率測定儀産品簡介：用于測定漿液的補償收縮性能，定量測定漿液材料的豎向膨脹量。

主要參數：

★試模尺寸：￠100*100mm

★試模材質：金屬

★百分表量程：0-10mm，精度0.01mm

水泥混凝土豎向膨脹率測定儀操作步驟：
★从测定初始读数起，每隔2h 浇水1 次。连续浇水4 次。以后每隔4h 浇水1 次。保湿养护至要求龄期，测定3d、7d 试件高度读数。
★從測量初始讀數開始，測量裝置和試件應保持靜止不動，並不受振動。
★灌浆料用水量按流动度为250±10nirn 的用水量。
★灌浆料加水搅拌均匀后立即灌模。从玻璃板的一侧灌入。当灌到50mm左右高度时，用捣板在试模的每一侧插捣6 次，中间部位也插捣6 次。灌到90mm高度时，和前面相同再做插捣，尽量排出气体。后一层灌浆料要一次灌至两侧流出灌浆料为止。要尽量减少灌浆料对玻璃板产生的向上冲浮作用。
★玻璃板兩側灌漿料表面，用小刀輕輕抹成斜坡，斜坡的高邊與玻璃相平。斜坡的低邊與試模內側頂面相平。抹斜坡的時間不應超過30s。成型溫度、養護溫度均爲（20±3）℃。
★做完斜坡，把百分表测量头垂放在玻璃板上，在30s 内记录百分表读数。为初始读数。
★测定初始读数后30s 内，玻璃板两侧灌浆料表面盖上二层湿棉布。

★竖向膨胀率计算：
式中——竖向膨胀率；t ε
h0 ——试件高度的初始读数（mm）；
ht ——试件龄期为t 时的高度读数（mm）；
h ——试件基准高度100（mm）。
試驗結果取一組三個試件的算術平均值，計算**至10-2。

儀器組成：

★數顯百分表1只

★百分表支架1個

★圓柱體試模1個

★立杆：1根

★玻璃板1塊

★百分表讀數調0，記錄初讀數L0

★記錄24h終讀數L1

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