... alumina has many wool stoma, surface area, but as adsorbent, desiccant and catalysts used. According to the strong adsorption material, ... is a kind of small water depth, desiccant adsorption polarity molecular adsorbent.The activated alumina fluoride similar, but the ... 0.14)Absorb water (> 50 %)HYA - 102 the activated alumina desiccant traitsCrystalling phase x - ρ Al2O3Rules (mm) Φ 3-5, 4-6, ...