This group of products is designed to meet the need for particulate materials with a variety of particle sizes and properties. They are not intended for use as instrument calibrants or diagnostic reagents because they lack the exacting specifications needed for those applications. 

High concentration polymer microspheres < 3μm used in research applications

High concentration polymer microspheres > 3μm used in research applications

Economical, wide size range copolymer (PS-DVB) microspheres