Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
Safety Data Sheet for Luminex 200 Performance Verification Kit, 25 uses LX2RPVER-K25
Material Safety Data Sheet or SDS for Luminex 200 Performance Verification Kit, 25 uses LX2RPVER-K25 from Merck for download or viewing in the browser.