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our microsphere and nanosphere products are shipped in glass vials as a
free-flowing dry powder.
Density Marker Beads products are shipped in an
When stored in a cool, dry environment, Cospheric spherical particles have an indefinite shelf life. Containers should be kept closed to minimize contamination. Refrigeration is recommended for Density Marker Beads.
None of our products are toxic or require special
shipping. When working with particles less than 10 micron in diameter we recommed wearing a dust mask and working inside an exhaust hood to minimize the posibility of inhaling the particles. All standard precaustions of working with small particles are to be followed. All spherical particles are slippery when spilled, due to ball-bearing effect. Good housekeeping is required. We encourage customers to perform their own testing and assessment for suitability of use for their specific application.
of calculated number of spheres per gram of material based on various
microsphere diameters for glass and polymer microspheres can be found in
Resources section under
Spheres per Gram.
This depends on the surface properties of the material the microspheres are made from (hydrophobic or hydrophillic).
Suspension of hydrophobic microspheres in water (aqueous) solution, specifically for flow visualization, Particle Image Velocimetry (PIV) or biological applications require the use of a surfactant.
We recommend to use concentrated Simple Green All Purpose Cleaner (www.simplegreen.com) Cover dry spheres with concentrated simple green
and let sit for approximately 5 min before dispersing in water.
Refer to Protocol for Preparing Tween Solutions of Hydrophobic Polyethylene Microspheres.
regularly work with over a thousand customers from public and private
organizations, national labs, universities all over the world. Most
customers have unique applications targeted to their project and their
industry. Here is a general overview of
Microsphere Applications in Industry.