Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Water Vapor Permeability test for VCI Paper VCI paper stands for Volatile Corrosion Inhibitor paper. This type of paper is infused with chemicals that release vapors which form a protective layer on metal surfaces, preventing corrosion. It's commonly used for packaging and storing metal parts and equipment. A good VCI paper should have several key qualities such as Effective Corrosion Inhibition, Sufficient Strength and Durability and Compatibility with the Packaged Product. A good water vapor barrier performance is a crucial quality as well. High humidity can accelerate corrosion, if the VCI paper allows excessive moisture to pass through, it can compromise the protective environment. For long-term storage or shipping in humid environments, controlling moisture ingress is crucial. Low water vapor permeability helps maintain a dry environment within the packaging, enhancing the effectiveness of the VCI. A water vapor permeability test can be relevant for VCI paper, especially in certain applications. The water vapor permeability of VCI paper is typically measured using standard test methods like: ASTM E96: This standard describes various methods for determining the water vapor transmission of materials. ISO 2528: This international standard also specifies methods for measuring water vapor transmission rate. These tests involve measuring the amount of water vapor that passes through a sample of the VCI paper under controlled temperature and humidity conditions. 1
Open the catalog to page 1Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Labthink C360H Water Vapor Transmission Rate Test System is designed and manufactured based on the gravimetric determination method and conforms to the requirements of ASTM E96 and ISO 2528. This instrument can be used to measure the water vapor transmission rate of barrier materials with high, medium and lower moisture barrier properties with a wide testing range and high testing efficiency. C360H is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other packaging materials...
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