EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ISO 15106-6 testing. ISO 15106-6 specifies a method for determining the water vapor transmission rate of plastic film, plastic coating, and multilayer structures, including plastics, using an atmospheric pressure ionization mass spectrometric detection sensor.
The gas conduction cell is designed to be divided into a dry chamber and a wet chamber when the test sample is placed. The dry side of the sample is swept away by a stream of dry carrier gas such as nitrogen or argon, and the water vapor penetrating the sample from the wet chamber is carried by the carrier gas into an atmospheric pressure ionization mass spectrometer. This sensor includes an ion formation zone near atmospheric pressure and a mass analysis zone in ultra-high vacuum. The moist carrier gas is introduced into the ion-forming zone, where the carrier gas is ionized as primary ions by the corona discharge ion sources, and then an ion-molecule reaction is generated between the primary ions and the water molecules present in the carrier gas, and the water molecules are ionized. These ionized water molecules are fed into the mass analysis zone.
A humidity controller containing distilled or deionized water is connected to the wet chamber. The temperature of the water in the reservoir should be kept at the temperature of the transmission cell. Gas to the humidity control device will be supplied through the gas flow controller. The gas is passed through the water in the reservoir and becomes saturated with water vapor at the given temperature.
The precision of this test method is unknown as interlaboratory data are not available. A statement of precision will be included in the next revision as interlaboratory data become available.
EUROLAB assists manufacturers with ISO 15106-6 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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