高强度固体浮力材料是现代深潜技术的重要组成部分之一，对保证潜器浮力、增大潜器有效载荷有着重要作用。本文以其关键原料——空心玻璃微珠的介绍为基础，论述了浮力材料的研究进展，并介绍了本实验室在空心玻璃微珠及其固体浮力材料制备方面的研究工作。本实验室制备的空心玻璃微珠的密度已低至0.21 g?cm–3，其在12MPa下的破碎率为40.6%；浮力材料密度为0.52 g?cm–3时，其压缩强度可达到40MPa。

High strength solid buoyant material (SBM) is an important component of modern submersible technology. Hollow glass microsphere is one of the key materials for preparing SBM. In this paper, the authors first review hollow glass microsphere and SBM. Then, the research of the authors on hollow glass microsphere and SBM are also introduced. When the density of the hollow glass microsphere prepared by the group is as low as 0.21 g?cm–3, the broken particle ratio at 12 MPa of the microsphere is 40.6%. When the density of SBM is 0.52 g?cm–3, its compressive strength reaches 40 MPa.