Water Vapor Transmission Property Test Of Blister Packaging
Blister packaging is transparent in appearance
, clear in display, convenient for usage and light in weight; thus, it has been widely applied in solid pharmaceutical packaging as an effective protective means for contents. Blister packaging need to have very excellent water vapor transmission property so as to prevent damp or deterioration during validity period.
Thus, it has been clearly stipulated in the relevant standards for the water vapor transmission property, which is a key index for manufacturers. Hereinafter, this article is to briefly introduce the water vapor transmission property test of blister packaging with Labthink W3/330 Water Vapor Transmission Rate Test System.
Blister packaging refers to the packaging means that seals the content in between a preformed transparent plastic blister and a backing of paperboard, plastic film, plastic sheet, aluminum foil, or compounds, etc. Water vapor transmission property of blister packaging is referred to its barrier property against water vapor, which is an important factor that could influence shelf life of blister packed pharmaceuticals thus provides a critical reference to the shelf life analysis. Through water vapor transmission property test, damp and deterioration problem caused by water vapor sensitiveness could be evaluated. Coulometric method is adopted by Labthink W3/330 Water Vapor Transmission Rate Test System. The working principle of Labthink W3/330 Water Vapor Transmission Rate Test System is as follows: place the preconditioned blister package specimen into the testing chamber, then, dry nitrogen flows in the package, high humidity nitrogen flows around the outside. Owing to the humidity difference, water vapor passes through the specimen from higher humidity side into the lower humidity side and is carried to the sensor by dry nitrogen. The electrical signals are generated; water vapor transmission rate and other parameters can be obtained by analyzing the electrical signals, which could be referred to evaluate the water vapor transmission property of the specimen. Labthink W3/330 Water Vapor Transmission Rate Test System is fully automatic, controlled by computer and it has 3 testing chambers integrated in one block (Labthink patent). Clamp the specimen, click Test button, and the test will be started automatically with auto control of temperature, humidity, flow rate and other indexes, then the test system will automatically judge test status and provide with test report when testing is competed. Labthink W3/330 could connect 9 satellite modules, which could be the Oxygen Transmission Rate Test System and Water Vapor Transmission Rate Test System, thus it could process 30 specimens simultaneously. It maintains a high level in automation, test efficiency, detection resolution and lower limit of test range, which makes Labthink W3/330 rank in a leading position in this industry worldwide.
Besides water vapor transmission property, more indexes such as oxygen transmission property and sealing performance, etc., need to be tested for blister packaging to guarantee the quality of pharmaceuticals within its shelf life. For more information of other related testing instruments, please visit www.labthink.cn.
About Labthink:
Labthink, focusing on the laboratory testing instruments R&D and production and laboratory IT services, is dedicated to provide professional quality control solutions for customers in packaging, food, pharmaceutical, medical, daily chemistry, printing, adhesive, automotive, petrochemistry, bioscience, construction, new energy and other industries.
Labthink is an international enterprise headquartered in Jinan, China with administrative, sales and service branches in Shanghai, Guangzhou,Brussels and etc.,covering over 40 countries and regions.
Labthink, as a knowledge-based enterprise, advocates scientific research and integrates production-manufacturing with IT services. Labthink is devoted to share excellent testing technologies and advanced IT achievements with customers worldwide. Labthink instruments are now operating in more than 5000 laboratories of authoritative institutions and renowned enterprises. Labthink IT services, with the innovative mode of cloud computing online information management, actively promotes the information trends of Laboratories!
Labthink, as a customer-focused enterprise, has an outstanding service system. The Labthink Global Customer Service Center provides customers with professional, prompt and sustained pre-sale, point-of-sale and after-sale services in Chinese, English, French, Spanish, Portuguese, Russian, Arabic and other languages. The Labthink Global Customization Center offers customized professional solutions to meet individual customer needs.
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by: Labthink
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