Home :: Agilent :: Agilent LC Columns :: Agilent PL Series (PLgel, PLRP-S, aquagel-OH) :: Agilent Polymer Standards for GPC and SEC :: Polymethylmethacrylate (PMMA) Standards & Calibration Kits :: Agilent Polymethylmethacrylate (PMMA) Standard, nominal Mp 20,000g/mol, 5g, ea.