... minerals, safe,non-toxic ,and friendly to environmentabsolute adsorption rate is up to 50% of its weight(25°C,RH=100 ... %),whereas that of the common silicon desiccant is only about 30%uniform granule,non-dusting,suitable to packing ... ,2-4mm and 3-5mmpacking:25kg/bag,or 40kg/bag raw mineral desiccant,environmental desiccant,desiccant filling,natural mineral desiccant,environmental ...