Silica gel type a is mainly used for drying and moisture proof, it can also be used as catalyst carrier, adsorbent, separator and variable-pressure adsorbent, etc. Size: spherical: 0.5-1.5mm, 2.0-4.0mm, 2.0-5.0mm, 3-5mm, 4.0-8.0mm.Irregular: 0.5-1.0mm, 0.5-2mm, 1.0-2.0mm, 2.8-7.0mm, 3-6mm, 4-8mm.Packing: 25kgbag, 500kgbagnote: we also supply type a semi-bead silica gel.