... different application Silica gelblue,whitebead form,size 1--2mm,1--3mm,2--5mmsupply over 30 kinds of ... bead form or granular form, from 0.2--1.0mm,1--3mm,2--5mm,3--6mm,4--8mm,etc ... atmospheric monitoring & mining industry. Basic Specification Silica Gel bead 2-5 mm, Absorption Capacity: RH = 20 % RH = 35 % ... composed of silica gel particles of 40-63 μm. Different particle sizes are used for achieving a ...