... gelCharacteristicstransparent or translucentglass-like spherical beadAverage pore diameter: 2.0-3.0 nmSpecific surface area:650-800m2/gPore volume:0.35 ... ***784*.NegotiableSizes: 0.5-1mm, 0.5-1.5mm,0.5-2mm,1-2mm,2-4mm, 2-5mm,3-5mm,4-8mm, silica gel powder ... flexible container,lined with plastic film bags,shipped in container, 3.6L/bag,1.8kg/bag,2.2kg/bag,5L/jug ...