闭孔率是材料中封闭孔隙面积占材料总面积的百分数。它是反映球形闭孔膨胀珍珠岩性能的又一项重要数据。

   该性能与材料的吸水率有着直接的关系，这就是闭孔率越高，吸水率越低。反之，通过吸水率的大小，也能反映出闭孔率的高低。表2中，球形产品与传统多孔产品吸水率的差别相当悬殊，这正是因为前者颗粒表面产生玻化外壳，孔隙封闭所致。                   

   这种球形化的特征和其在材料中的比例构成了球形闭孔珍珠岩的突出特性。


 

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The important data: spherical closed pore perlite obturator rate

 obturator rate is closed pores in the material area percentage of the total area of the material. It reflects the performance of spherical closed pore expansion perlite and an important data.

       The performance of water absorption has a direct relationship with the material, which is closed the higher porosity, bibulous rate is lower. On the other hand, through the size of the water absorption, also can reflect the obturator rate of high and low. In table 2, with the conventional porous spherical products bibulous rate difference is quite different, this is because the former particle surface vitreous enclosure, pore caused by closed.

       Into a ball rate is the basic material for the percentage of spherical particles. Into a ball rate and the size of the granular materials crushing ability or density is closely related to the stable performance. The so-called spherical or spheroidal products, is the key to particle shell vitrified effect, as long as the surface of the particles has a continuous complete, can be counted as the spherical particle number. The spherical feature and its material