Soda-lime glass, no hollow body like Glass bubbles
- Glass microspheres of solid glass
- Heavy, solid type
Technical data:
Diameter: 90 – 150 µm
Density: 2.5 g/cm³ (in comparison: Micro-Airballons 0.19–0.43 g/cm ³)
Pourable weight: 1.5 kg/l
Softening point: 470 °C