... absorption. Thus,it has widely used in instruments,meter,equipments,leather,bags,shoes,textiles,food,medicines to control the relative humidity ... ,adsorption RH = 20% ≥ 10% RH = 40% ≥ 20% RH = 90% ≥ 30%Note: Standard by GB10455-89: when RH = 90% qualified product ≥ 28 ... package 3.it has widely used in instruments,meter,equipments,leather,bags,shoes,textiles,food,medicines to anti-mold Application.