fine-pored silica gelfused for drying and moistureproof,also be used as catalyst ... ,adsorbents,separators [Product Name] Fine-pored silicon dioxide (Type A Silica gel )[Characteristics ] Transparent or translucent glass-like pellet or lump ... ratio of spherical granules is only applicable to fine-pored silica gel [ Size] 0.5-2mm,1-2mm,1-3mm,2 ...