Density: 0.965g/cc - 0.985g/cc
Daylight Color: Fluorescent Red (607nm Peak)
Fluorescent Response: Fluorescent Red under 300-550nm wavelengths. Works well with Green Lasers. Peak emission of 607nm when excited at 575nm.
Particles in Size Range: >90%
Spherical Particles: >90%

Polyethylene microspheres are hydrophobic and suspend easily in oil-based solutions. They can also be suspended in aqueous solution if coated with a surfactant prior to suspending in water. We recommend using Tween 80 or Tween 20 Surfactants.

Material Safety Data Sheet - Polyethylene Spheres, Beads, Microspheres, and Nanospheres

Assessment of Fluorescent Particles for Surface Flow Analysis

Xu, Y., Qi, F., Mao, H. et al. In-situ transfer vat photopolymerization for transparent microfluidic device fabrication. Nat Commun 13, 918 (2022).