... silica gel blue,white bead form,size 1--2mm,1--3mm,2--5mm supply over 30 kinds of ... in different application Silica gelblue,whitebead form,size 1--2mm,1--3mm,2--5mmsupply over 30 kinds of silica ... layer Chromatography,air drying, catalyst carrier, liquid drying,etc.We export the above items in in different size ... form, from 0.2--1.0mm,1--3mm,2--5mm,3--6mm,4--8mm,etc.Product list : 1) FNG Silica Gel: ...