... gel blue,white bead form,size 1--2mm,1--3mm,2--5mm supply over 30 kinds of silica ... different application Silica gelblue,whitebead form,size 1--2mm,1--3mm,2--5mmsupply over 30 kinds of silica gel ... : bead form or granular form, from 0.2--1.0mm,1--3mm,2--5mm,3--6mm,4--8mm,etc.Product list ... and purification of industrial gases.8) Silica Gel (tablet): Used for moisture-proof for pharmaceutical and food ...