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Labthink Instruments Co., Ltd.
Group: Labthink
Catalog excerpts
PERME® W3/0120 Water Vapor Transmission Rate Tester W3/0120 Water Vapor Transmission Rate Tester is based on the cup method, and is professionally applicable to the water vapor transmission rate test of plastic films, composite films, sheets and other materials used in medical and other industry. By testing the water vapor transmission rate, the technical index of the materials could be controlled to meet the requirements for production. Professional Technology Standard periodically weighing method and automatic reset before weighing ensures accurate weighing data 12 distinct or equivalent specimens can be tested individually with independent test results at one operation Standard air velocity enables constant humidity difference between two sides of test dishes Wide range and high-precision of automatic temperature and humidity control to support various combinations of non-standard test conditions Equipped with fast access testing ports for temperature and humidity which is convenient to the user System is controlled by computer with automatic test process Universal RS232 communication port is convenient to the data export and transmission Reference film or standard weight for fast and accurate calibration Support Lystem™ Lab Data Sharing System for uniform and systematic data management Test Principle Under a certain test temperature, a constant humidity difference is generated between two sides of the test specimen. The water vapor permeates through the specimen and into the dry side. By measuring the weight changes of the test dish in different time, water vapor transmission rate and other parameters can be obtained. This test instrument conforms to the following standards: ISO 2528, ASTM E96, ASTM D1653, TAPPI T464, DIN 53122-1, JIS Z0208, YBB 00092003, GB/T 16928, GB 1037 Applications This instrument is applicable to the determination of water vapor transmission rate of: Including plastic films, plastic composite films, paper-plastic composite Films Basic Applications films, geomembranes, coextruded films, aluminized films, aluminum foils, aluminum composite films, breathable water-proof films and many other film materials Sheeting Paper and Paper Board Including engineering plastics, rubber, building materials and many others, e.g. PP, PVC, and PVDC Including paper and paper board, e.g. aluminum foil paper for cigarette packages and Tetra Pak materials Labthink Instruments Co., Ltd.144 Wuyingshan Road, Jinan, P.R.China (250031) Phone: +86 -531-85068566 FAX: +86-531-85812140 w w w.labthinkinter n atio n al.co m.cn
Open the catalog to page 1
Including textiles and non-woven materials, e.g. waterproof breathable fabric, non-woven fabric for diapers and hygienic products Mount film or sheeting in test dish, cover upper surface of specimen with distilled water, and make the lower side in certain humidity. Generate a constant humidity difference between two sides; water vapor permeates through specimen and measure weight changes in different time to obtain the water vapor transmission rate. NOTE: inverted cups are required Artificial skin has to meet standard requirements for water vapor Artificial Skin transmission rate to ensure...
Open the catalog to page 2
Configurations Standard Configurations Mainframe, Professional Software, Test Dishes, Desiccant Tube, Automatic Moisture Filter, Optional Parts Reference Film, Air compressor, and Desiccant Standard Weight, Round Sample Cutter, Communication Cable Customers will need to prepare for gas supply and distilled water. Please Note: Labthink is always dedicated to the innovation and improvement of product performance and function. Therefore, technical specifications are subject to change without further notice. Please visit our website at www.labthinkinternational.com.cn for the latest updates....
Open the catalog to page 3All Labthink Instruments Co. catalogs and technical brochures
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hot tack tester5 Pages
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fogging tester2 Pages
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Impact tester2 Pages
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Headspace Gas Analyzer1 Pages
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HOLDING TACK TESTER1 Pages
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ROLLING BALL TESTER1 Pages
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BOX COMPRESSION TESTER1 Pages
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FOGGING TESTER2 Pages
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Film Shrinkage Tester1 Pages
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Film Pendulum Impact Tester1 Pages
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FALLING DART IMPACT TESTER1 Pages
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THICKNESS TESTER1 Pages
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TOQUE TESTER1 Pages
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Tearing Tester1 Pages
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Gas Permeability Tester1 Pages
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Oxygen Permeability Tester2 Pages
Archived catalogs
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Leak Tester2 Pages
