Calcium Chloridum dehumidifieris made of calcium chloride.It will trun into wateras moisture absorption,so put in an holder when you use it,please.Specification1.Material:Calcium chloride2.Packing:Non-woven fabrics with a plastic bag outside.3.It is 400g/piece,450g/piece,500g/piece,550g/piece and any other.4.It can be used about 1-4 mouth,this depend on season and the using condition,400g/piece as example.5.It can be stroage for 5 years,keep in cool and dry place.Characteristic:1,Adsorption: moisture rate is 5 times than ordinary in the equal condition. Moisture come up to 150g.2,Environmental: degradation is 100% which compare with traditional desiccantUsing help:1.Using up as soon as possible after opening a pocket. Place balanced. Place more advisability near the door.2.Application amount: for productions which is sensitivity to humidity, advise 60 bags which every bag is 150g per 20 foots. Ordinary goods can place 30-40 bags.3.Not use if found packages in damaged condition! Contact with dealer or manufacturer in time and we will exchange goods for you in time.4.This product is not food.Packaging & DeliveryPackaging Detail:200-1500g/piece,packing is depend on specification,depend on customer requirementDelivery DetailAccording to your timeAbout Calcium Chloride condition:DescriptionWhite Flake/PillContent(CaCl2)74% MinNaCl3.2% MaxMgCl20.3%MaxWater insoluble matter0.12% Max.PH Value7.0-9.0CaSO40.3%Max.Ca(OH)20.2% MaxFe0.0015% MaxArsenic(As)0.0001% MaxHeavy metals(Pb)0.0001% Max.Size FormFlakes,Prilled,Pelleted,granular powderDescriptionWhite GranuleContent(CaCl2)94% MinNaCl3.5% MaxMgCl20.5%MaxWater insoluble matter0.2% Max.PH Value7.0-9.0CaSO40.2%Max.Ca(OH)20.35% MaxFe0.0015% MaxArsenic(As)0.0001% MaxHeavy metals(Pb)0.0015% Max.Size50-120 Mesh