Glass Pearls

Spherical glass pearls are useful as spacers. They have a very uniform size distribution which makes them ideal when mixing in glue to form an equal layer of thickness.

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 in 1gr per bottle.

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