Density: 0.99g/cc-1.01g/cc (perfect for suspension in water)
Daylight Color: Fluorescent Violet (636nm Peak)
Fluorescent Response: Fluorescent Violet Peak emission of 636nm when excited at 584nm
Particles in Size Range: >90%
Spherical Particles: >90%
Polyethylene microspheres are hydrophobic and need to be coated with a surfactant prior to suspending in water. We recommend Tween 80 Bio-compatible Surfactant.