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Spacer Grade Glass Microspheres are currently offered in soda lime glass formulation in particle size ranges between 18 and 219micron. Custom particle sizes and other types of glass are available by request. Please contact us if you have unique requirements.

Spacer grade beads have high sphericity and a very tight particle size distribution. They come as a dry powder screened to the specification of >95% of particles in size range. This is very high-quality high-value product - just a small amount of spacer grade microspheres creates a controlled gap, as well as defines and maintain specified bond line thickness.

Precision polished spheres are larger solid glass beads for most demanding applications.

For smaller sizes of spacer beads we offer monodisperse silica microspheres.


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Spacer Spheres - Monodisperse Solid Soda Lime Microspheres - Calibration Grade
Item #: S-SLGMS -
Price: $131.25-$312.50
Item #: S-SLGMS - View

Bondline spacer grade solid soda lime glass microspheres are available with tight particle size ranges to achieve bondline thickness (gap) from 15micron to 219micron. Bondline spacers are supplied... [more info...]

Precision Polished Soda Lime Glass Spheres - Calibration Glass Spheres - Reference Polished Glass Particles
Item #: P-SLGS -
Price: $47.25-$198.50
Item #: P-SLGS - View

Diameter Tolerance: ±20um Roundness/Sphericity: ≤20um; >99% (Ratio of Width/Length) Density: 2.5g/cc+/-0.1g/cc Index of Refraction: 1.5284 Softening Temperature: 718°C Melting Point: 1445°C... [more info...]