Abstract: In order to make use of perlite resources and solve traditional expansion perlite in application, a spherical closed pore expansion perlite with the properties of high strength and low water-absorbing has been developed.

• 文摘:为解决珍珠岩矿产资源利用及传统多孔膨胀珍珠岩在使用中存在的问题，研制成功一种强度高、吸水率低的球形闭孔膨胀珍珠岩。