PolyRef™ Calibration Beads

PolyRef™ Calibration Beads are monodisperse polymer microspheres with tight size uniformity (CV ≤ 6% for sizes ≥ 100 nm), designed for instrument calibration, particle size reference standards, and biomedical model systems.

Available in polystyrene (PS) and polymethyl methacrylate (PMMA), covering the full 20 nm – 1000 μm range. Each batch is verified by SEM, TEM, optical microscopy, and laser diffraction.

Common applications: SEM/TEM size calibration, flow cytometry standards, DLS/NTA reference particles, photonic crystal templates, LCD spacers, light-diffusing layers, and biomedical drug delivery model systems.
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