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Long-afterglow yellow-green phosphorescent spherical particles are supplied in dry powder form. Controlled particle size ranges enable investigation of maximum particle size passing through the openings, filters and membranes. Phosphorescent particles are used for process study and blind tests especially in medical technology industry, diagnostics, troubleshooting, process flow, medical research and other industries. Particles exhibit a strong long-afterglow phosphorescent response and are stable in solution.
Also see a selection of fluorescent particles available:
Fluorescent Polymer Particles, Beads, Microspheres
Density: 1.06-1.16g/cc varies by size and lot, 1.11-1.16 is typical.
Daylight Color: Off-White
Illumination Color: Glow in the Dark Yellow-Green (470nm-600nm) with White Light, UV radiation (260nm-450nm)
Long Afterglow: 800mcd/m2 at 1min., 180mcd/m2 at 5 min., 5mcd/m2 at 120min.
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
Fluorescent Polyethylene Microspheres - Clear in Daylight, Yellow-Green in UV Light - 10um to 1200um (1.2mm)
Fluorescent Blue Polyethylene Microspheres 1.13g/cc - 27um to 425um
Fluorescent Polyethylene Microspheres - Yellow in Daylight, Blue-Green in UV Light 0.98g/cc - 27um to 300um
Phosphorescent Polymer Spheres - 1.04g/cc 5.9mm