The microstructure and sorption properties are studied on the expanded and vitrified small balls which are developed to decrease the sorption properties of the expanded perlite particles.

• 以膨胀珍珠岩为参照，研究了旨在减少膨胀珍珠岩吸水吸湿性而开发的膨胀玻化微珠的微观结构和吸湿性能。