Monosized Polymer Microspheres, Nominal Diameter: 3.04 µm, Polystyrene, 3x10E8 #/mL, NIST traceable, Color: White or Colorless, Application: SSIS Calibration and Maintenance, Particle Density: 1.05g/cm³, Refractive Index: 1.59 at 589nm (25©C), Shelf Life: Minimum of 12 months, 50 mL
PD3000