Up for auction is a vial of cross-linked polystyrene microspheres with nominal diameters micron in dry form 250 mg. They are prepared by emulsion polymerization and cleaned thoroughly by centrifugation. The dry powder can be dispensed in any solution of your choice by conventional mixing methods such as vortex or ultrasonication.

Specifications:

• Nominal Particle Diameter (CV 20%): 45 um, 55 um, 65 um, 80 um, 100 um
• Matrix: Polystyrene-Divinylbenzene Cross-linked 
• Surface functionality: Plain

Potential Applications of Microspheres (Referred to Microspheres in Wikipedia).

Please go to my eBay store  Fluorescent Microspheres  and Microspheres for more Mircrobeads