Column Chromatography Silica gel 1.ISO9001, MSDS, SGS, REACH 2.500g/bottle, 20kg/bag 3.industrial and reagent type Coating Auxiliary AgentsWhite Silica Gel catalyst (silica gel,silica gel desiccant,adsorbent)Bead :1-2mm,1-3mm,2-4mm,2-5mm,3-5mm,3-6mm,4-6mmGranular(lump):0.2-1mm,0.5-2mm,1.5-3mm,2-5mm,4-6mm,4-8mmUSE: Mainly used for drying and moisture proof ,may also be used as catalyst carriers, ...