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Description of ASTM-D7709 2012ASTM D7709 - 12Standard Test Methods for Measuring Water Vapor Transmission Rate (WVTR) of Pharmaceutical Bottles and BlistersActive Standard ASTM D7709 | Developed by Subcommittee: D10.32 Book of Standards Volume: 15.10 ASTM D7709Significance and Use
The purpose of these test methods is to obtain reliable values for WVTR that can be used to discriminate among barrier packages for pharmaceutical products. These test methods will establish a WVTR value that represents the water vapor transmission of the container closure system being evaluated. They are intended for use in evaluating or comparing, or both, the water vapor barrier performance of alternative packages for use in packaging of pharmaceutical products. While these methods were developed for a specific, limited application, they should be suitable for most types and sizes of consumer packages. 1. Scope
1.1 The three test methods described herein are for measurement of water vapor transmission rates (WVTRs) of high-barrier multiple-unit containers (bottles), high-barrier single-unit containers (blisters), and quasi-barrier single-unit containers used for packaging pharmaceutical products. The containers are tested closed and sealed. These test methods can be used for all consumer-sized primary containers and bulk primary containers of a size limited only by the dimensions of the equipment and the weighing capacity and sensitivity of the balance. 1.2 These test methods are intended to be of sufficient sensitivity and precision to allow clear discrimination among the levels of barrier packages currently available for pharmaceutical products. 1.3 There are three methods: Method A is for bottles, Method B is for formed barrier blisters, and Method C is for formed quasi-barrier blisters. Methods B and C can be adapted for use with flexible pouches. 1.4 These test methods use gravimetric measurement to determine the rate of weight gain as a result of water vapor transmission into the package and subsequent uptake by a desiccant enclosed within the package. The packages are exposed to environments typical of those used for accelerated stability testing of drug products in the package (typically 40 This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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