纳米铝酸锌的加入明显地改善了软PVC试样的热分解性能，样品的最终残炭量由11.22%提高到19.55%；
The thermal degradation performance of the above flexible PVC sample is improved obviously, The final amount of residual carbon increased from 11.22% to 19.55%;
添加量为3.0份时，纳米铝酸锌的加入明显地改善了软PVC试样的热分解性能，样品的最终残炭量由11.22%提高到17.33；
The thermal degradation performance of flexible PVC added 3.0% mass magnesium aluminate is improved obviously, The final amount of residual carbon increased from 11.22% to 17.33%;
电加热管可广泛应用于加热水、油、空气、硝盐溶液、酸溶液、碱溶液和低溶点金属(铝、锌、锡、巴氏合金)。
Electric heating pipe can be widely used in heating water, oil, air, nitrate solution, acid solution, alkali solution and low melting point metal (aluminum, zinc, tin, Babbitt).
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