NIST-traceable microspheres, particle size standards, polyethylene spheres, glass microspheres, bond-line spacers.Almost two thousand NIST-traceable microspheres are available from Cospheric on this site. When selecting the right microspheres for your R&D project or industrial application, the choice of the correct raw material that the microsphere is made out of becomes critical. Desired material properties drive that choice.

Are you looking for microspheres for high temperature applications, with superior solvent resistance or maximum crush strength? Solid glass microspheres are right for you. Glass microspheres come in several different formulations with varying densities. They can also be metal-coated with silver, nickel, aluminum, or gold, among other options. Conductive and retroreflective properties of coated glass microspheres offer an additional advantages. Glass microspheres are also the preferred material as bond line spacer particles.

Are you looking for brightly colored microspheres with fluorescent or phosphorescent properties for flow visualization experiments, tracer particles for particle image velocimetry (PIV) or contamination studies? In that case polyethylene microspheres are your best choice. These spheres are available in a large range of sphere diameters and tight particle size distributions, which makes them ideal for modeling and simulations. Many densities ranging from 0.98g/cc to 1.3g/cc are among standard products, including neutrally-buoyant spheres with density of 1.0g/cc for use in aqueous solutions. Cospheric's density marker beads also fall in controlled density category.

Silica, PMMA, cellulose acetate, stainless steel, zirconia and other materials are available with a range of diameters and coatings.

Calibration grade glass microspheres (monodisperse/spacer grade), precision grade solid glass polished spheres, and cellulose acetate colored beads, are often used as reference spheres and particle size standards due to their exceptionally narrow diameter tolerance.

Browse the website for one-stop reliable source of all kinds of microspheres. If you still need help selecting the right microspheres to fit your needs, please contact a microsphere expert and we will get back to you within 1 business day.

Most orders (both domestic and international) ship within 2 business days. Quick and efficient on-line check-out with clearly stated prices and stock status enables you to place an on-line order for microspheres 24/7 from anywhere in the world.


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