Filter challenge studies often make use of highly uniform undyed, fluorescent, or visibly dyed polystyrene microspheres as surrogates for biologic or environmental particulates in order to reduce potential health risks and costs associated with the use of pathogens, atomized oils, etc.


Related literature

TN 100: Polymer Microspheres
TN 103: Fluorescent & Dyed Microspheres
TN 203: Washing Microspheres

PDS 717: Visibly Dyed Microspheres
PDS 731: Fluorescent Microspheres
PDS 732: Polymer Microspheres

TSD 746: Particles for Filter and Membrane Challenge Testing

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