Min. Order:  
1 Set
                Price:  
US$ 1
                 Place of origin:  
China
                 
            lab data management system)
Principles:
The specimen is clamped between the upper and lower chamber, the upper chamber is high humidity side, and the other side of specimen, lower chamber is purged by a stream of dry gas, due to the effect of water concentration gradient at two sides of the specimen, water molecules will permeate through the specimen into the dry gas side, penetrated water mole
                [Related Keywords : Water Vapor Permeation, Weighing Method, Aluminized Foil, ASTM]