Character: This production is divided into two kinds of proof water,natural particulate and short column of extruding into shape. It had good adsorbent,salt exchange and has compressive strength.

Production technology: This production carried out quality standard of HG/T2825-97 and adopted high purity montmorillonite. First produce particulate, then acidify or first acidify then to press, produce particulate and screening again.

Packing and storage: Packing in plastic film inner, synthetic sacks outside, two layer or as customer's requirement,25kg±0.25kg/50kg±0.5kg, or truck,ship in bulk. To be kept in a ventilate,cool and dry place.