CMPA-1000型碳材料钠膨胀率测试仪是一款符合国际标准 ISO 15379-2:2004的专用测试设备，该设备主要用于测定铝用底部阴极炭块由于钠渗透引起的线性膨胀率（即钠膨胀率）。CMPA-1000型碳材料钠膨胀率测试仪采用计算机技术，智能仪表（单片机）技术，全面监测钠膨胀率过程中的物理量位移、温度等实验数据，设备采用一体化设计，全自动测试，方便快捷，是研究新型碳材料的重要设备，也是生产单位和科研院校的重要实验仪器。
（2）国际标准 ISO 15379-2:2004 EN Carbonaceous materials for the production of aluminium — Cathode block materials — Part 2: Determination of the expansion due to sodium penetration without application of pressure 用于生产铝的碳质材料 阴极块材料 第2部分：在不施加压力的情况下确定钠渗透引起的
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