... column-shaped structure, in which there is white Calcium Chloride flakes or pearls, packed in PE bags. ... coffee, cocoa, soybean, peanut and so on)(4) Daily life commodities, medicine, chemicals, and can- ... goods. 4. Advantages(1) Comparing with other moisture-absorbing material, such as Silica Gel or Calcium Oxide, ... other factors. Generally, a 20 container needs 4-8 pieces, and a 40 container needs 6 ...