ISO 15106-3 Plastics, Film and Coating, Determination of Water Vapor Transmission Rate Part 3: Electrolytic Detection Sensor Method

Material Testing

ISO 15106-3 Plastics, Film and Coating, Determination of Water Vapor Transmission Rate Part 3: Electrolytic Detection Sensor Method

EUROLAB laboratory provides testing and compliance services within the scope of ISO 15106-3 standard. This part of ISO 15106 specifies an instrumental method for determining the water vapor transmission rate of multilayer structures, including plastic film, plastic sheeting, and plastics, using an electrolytic sensing sensor. The method provides rapid measurement over a wide range of water vapor transmission rates.

ISO 15106-3 Plastics, Film and Coating, Determination of Water Vapor Transmission Rate Part 3: Electrolytic Detection Sensor Method

The gas conduction cell is designed to be divided into a dry chamber and a controlled humidity chamber when the test sample is placed. The dry side of the sample is swept away by a stream of dry carrier gas, and water vapor passing through the sample from the controlled humidity chamber is carried by the carrier gas into an electrolytic cell.

This cell contains two spiral wire electrodes coated with a thin layer of phosphorus pentoxide, mounted on the inner wall of a glass capillary.

The carrier gas is passed through the capillary, where the moisture it retains is quantitatively absorbed by phosphorus pentoxide and electrolytically decomposed into hydrogen and oxygen by applying a DC voltage of about 70V to the electrodes.

The mass of moisture passing through the sample and decomposing per unit time is calculated from the required electrolytic current.

EUROLAB assists manufacturers with ISO 15106-3 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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