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 Purospher® STAR RP-8 endcapped (5 µm) Hibar® RT 150-4.6 151453
Material Safety Data Sheet or SDS for Purospher® STAR RP-8 endcapped (5 µm) Hibar® RT 150-4.6 151453 from Merck for download or viewing in the browser.