Hollow Glass Microspheres are inorganic, nonmetallic spherical materials created by specific processes, commonly with diameters in the range of 10 to 250 μm and wall thicknesses of 1 to 2 μm (Figure 1 ...

The process is also customizable and, compared to traditional production processes, in which components are manufactured by removing excess material (top-down approach, e.g., turning, milling, ...