3K Particle Counter Standards, Nominal Diameter: 0.60 µm, Particle Counter Size Standards Polystyrene, 1 x 10E9 #/mL, NIST traceable, Color: White or Colorless, Application: Particle count instrument calibration, Particle Density: 1.05g/cm%B3, Refractive Index: 1.59 at 589nm (25©C), Shelf Life: Minimum of 24 months, Unit: 15 mL
3K-600