... Weihai Pearl Silica Gel Drier CO.,LTDFine-pored (Type-A) spherical bead silica gel desiccantCharacteristicstransparent or translucentglass-like spherical beadAverage pore diameter: 2 ... :0.35-0.45 ml/g specific heat:0.92KJ/kg.0C.Thermal conductivity:0.63KJ/m.hr. 0CUseMainly used for ... -2mm,2-4mm, 2-5mm,3-5mm,4-8mm, silica gel powder,etc.Packaging:15kg/bag,20kg/bag,25kg/bag(polywovenbag ...