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Under regular daylight conditions these color-changing polyethylene microspheres appear fluorescent yellow. However, when illuminated by 365nm UV light they exhibit a strong blue-green fluorescent response. This feature is very useful in process diagnostics and troubleshooting, process flow, medical research and other industries.
Other colors, sizes and grades of fluorescent particles are available:Fluorescent Polymer Particles, Beads, Microspheres
Daylight Color: Fluorescent Yellow
Illumination Color: Fluorescent Blue-Green with UV illumination (365nm)
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 Orange Polyethylene Microspheres 1.00g/cc - 10um to 1000um (1mm)
Fluorescent Yellow Polyethylene Microspheres 1.00g/cc - 10um to 1200um (1.2mm)
Fluorescent Polyethylene Microspheres - Yellow in Daylight, Blue-Green in UV Light 0.98g/cc - 27um to 300um
Phosphorescent Yellow-Green Polyethylene Microspheres 1.14g/cc - 20um to 600um