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Home > Particles > By Property > Monodisperse Microspheres and Bondline Spacers

Monodisperse Microspheres and Bondline Spacers

Monodisperse microspheres have high sphericity and a very tight particle size distribution, often with CV<10% and specification of >95% of particles in size range. Monodisperse particles are often used as as calibration standards and tracer particles for qualifying medical devices and in many biotechnology applications.

Spacer grade beads and microspheres are specifically designed with a sharp maximum diameter cut-off to control bond-line thickness (gap thickness) of an adhesive layer. For this application, the customer will mix these microspheres into the desired adhesive. Just a small amount of spacer beads can create a controlled gap as well as precisely define and maintain specified bond-line thickness. Even though most of Cospheric particles would work for this application, spacer grade was specifically developed for those customers seeking extra tight bond line control. Glass and silica spacers offer the extra benefit of high crush strength, resistance to most solvents and high temperature performance.

Bond-line spacers are used in many industries including gas plasma displays, automotive mirrors, electronic displays, flip chip technology, filters, microscopy, and electronic equipment.


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Products 1-3 of 3
Monodisperse Silica Microspheres - Spherical Silica Beads
Product ID: SiO2MS-1.8
Monodisperse Silica Microspheres 1.8g/cc CV<10%. Spherical silica beads.
d50=250nm, 500nm, 750nm, 1um, 2um, 4um or 8um.
[more info...]
Price: $148.50


Precision Polished Soda Lime Glass Spheres 1.5mm
Product ID: P-GS
Precision Polished Grades of Solid Glass Spheres.
>99% spherical; ≤20um Roundness
0.70mm to 7.00mm ±20um Diameter
Borosilicate (2.2g/cc) & Soda Lime Glass (2.5g/cc)
[more info...]
Price: $45.00-$142.00


Spacer Spheres - Monodisperse Solid Soda Lime Microspheres - Calibration Grade
Product ID: S-SLGMS-2.5
Bondline Spacer / Calibration/Monodisperse Grades of Soda Lime Solid Glass Microspheres.
>90% spherical and 95% in size range. Tight particle size ranges between 18micron and 219micron in diameter.
[more info...]
Price: $125.00-$248.50


Products 1-3 of 3