For this reason, we can apply pressure to increase the compactness of the packed bed made of these ceramic balls.As a result, the porosity the finished products can be substantially increased.

• 最重要的是陶瓷球在室温下具备可塑性，可以利用压缩的方式，改变陶瓷球堆积体的紧密程度，进而控制成品的孔隙度。