Bond Line Spacers

Spherical glass beads are useful as as spacers. Their density is 2.5 g/cm3, refractive index is 1.51 @ 589nm, softening temperature is 720°C, and dielectric constant is 7.3 @ 1khz and 20°C. They are packaged as dry material.

8000-series-silica-size-standards
9000-series-glass-size-beads

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