OTR Test - Differential-pressure Method|Permeation FAQ : convenience store Oxygen transmission rate (OTR) can be determined by similar methods (ASTM D3985, F1927). Assuming that the diffusivity of water vapor and oxygen obeys Fick's law (diffusivity is .
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VAC-V2 Gas Permeability Tester is used to test the Gas Transmission Rate (GTR) of packaging materials by differential pressure method. It stands out as a high reliable, accurate, and efficient solution.Labthink Oxygen Permeability Testers, aslo known as oxygen transmission rate .q = quantity of permeant transferred by a unit of area, A, in a time t, is the thickness of material and Δp is the partial pressure difference. In practical applications, the transmission rate (TR), is the most common way to report the . This is why ASTM approved two distinct test methods for determining oxygen transmission rates of packaging materials: ASTM D3985 – 05 (Reapproved 2010) – “Standard Test Method for Oxygen Gas Transmission .
1. Gas Transmission Rate (GTR): The quantity of a given gas passing through a unit of the parallel surfaces of a plastic film in unit time under the conditions of test. The SI unit of GTR is .
Oxygen transmission rate (OTR) can be determined by similar methods (ASTM D3985, F1927). Assuming that the diffusivity of water vapor and oxygen obeys Fick's law (diffusivity is .
Standard Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using a Coulometric Sensor in Dry/Controlled Relative Humidity Environments
This instrument can be used to measure the oxygen transmission rate of barrier materials with high, medium and lower barrier properties with a wide testing range and high testing .Labthink Oxygen Permeability Testers, aslo known as oxygen transmission rate (OTR) testers are recognized as the industry-leading solution for over 30 years and are the basis for the global permeability test standards ASTM D3985.
Oxygen Transmission Rate (OTR) Test System is designed and manufactured based on the differential-pressure method and conforms to ASTM D1434 and ISO 15105-1.Labthink Gas Permeability Tester series is the most advanced and complete product line to test the Gas Transmission Rate (GTR) of packaging materials by differential pressure method and Oxygen Transmission Rate (OTR) by .
Figure1. Test Principle of Differential-pressure Method . Differential pressure method has no selectivity to test gas. It is low in test cost and high in test efficiency. The most salient feature of this method is that the gas is pure in the test environment.
C106H GasPermeability Test System is based on the differential pressure method,and is professionally applicable to the determination of gas transmission rate,solubility coefficient, diffusion coefficient and permeability coefficient ofplastic films, composite films, high barrier materials, sheets, and metal foilsat different temperatures.CO2 transmission rate test by weighing method: Water vapor transmission rate test by inverted cup method: Non-destructive test for packaging seal performance: Multi-station packaging pressure test: Tensile test of packaging .Chapter One: The Standard Definition Of Gas Permeability Parameter. Because carrier gas (N 2) reversely transmits in the equal pressure method, the method is essentially different from the manometry method.The difference may affect method application scope and parameter definition (for example, the equal pressure method is mostly applied to oxygen gas test, but the .
Coulometric Sensor Method C200 Series Oxygen Transmission Rate Test System . Oxygen Transmission Rate (OTR) Test System is designed and manufactured based on the coulometric sensor method (aka. equal pressure method) and conforms to ASTM D3985 and ISO 15105-2. Oxygen transmission rate (OTR) testing is mainly used for oxygen transmission rate measurement of infusion bag film materials, infusion bags or the whole infusion bottles. Equal pressure method and differential pressure method, the two methods for oxygen transmission rate testing can both test the oxygen transmission rate of films and ofPERME® VAC-V2 Gas Permeability Tester VAC-V2 is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate as well as solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheeting, and aluminum foils.
Labthink Gas Permeability Tester series is the most advanced and complete product line to test the Gas Transmission Rate (GTR) of packaging materials by differential pressure method and Oxygen Transmission Rate (OTR) by Coulometric Sensor Method.VAC-V3 Gas Permeability Tester is applicable in the measurement of gas permeability rate, solubility coefficient, diffusion coefficient and permeability coefficient at various temperature of plastic films, laminated films, high barrier material, sheets, foils, etc.The S Series oxygen transmission rate tester is based on the equal pressure method and can be used to test oxygen transmission rate (OTR). Test methodology following: ASTM D3985, ASTM F1307, ASTM F1927, DIN 53380-3, JIS K7126-2-B. Recommended Instruments: S403, S401 • Differential Pressure Test Method. The G Series gas permeability tester is .Test Standard. There are two common methods of OTR testing, i.e. differential pressure method and equal pressure method (aka. coulometric method). The tests are performed in accordance with ASTM D3985, Standard Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using a Coulometric Sensor. Testing Instrument
G2/131 gas permeability tester is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheets, and aluminum foils at different temperatures.PERME® VAC-V2 Gas Permeability Tester VAC-V2 is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate as well as solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheeting, and aluminum foils.If the three indexes mentioned above are poor or not applicable to the product, the film may not be tight and cannot fit the product properly, which may even cause the product to be crushed. At present, the test methods for film shrinkage are mainly oil bath method, drying oven method and air heating method. Test Method. Oil bath method:Complete Product Line for Various Standards By studying various test methods of gas transmission rate, Labthink manufactures many gas permeability testing instruments based on ISO 15105-2/ASTM D3985 (equal pressure method) and ISO 2556/ISO 15105-1/ASTM D1434 (differential pressure method).
24h C106H Gas Permeability Test System C106H Gas Permeability Test System is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheets, and metal foils at different temperatures.
C101B Gas Permeability Test System. C101B GasPermeability Test System is based on the differential pressure method,and is professionally applicable to the determination of gas transmission rate ofplastic films, composite films, high barrier materials, sheets, and metal foilsat different temperatures.
Labthink C230 Oxygen Transmission Rate (OTR) Tester is professionally designed for the determination of oxygen transmission rate test of film and package specimens. About Us; . OTR Test - Differential-pressure Method; Gas Permeability Tester; Water Vapor Permeability Tester; WVTR Test - Gravimetric Method; WVTR Test - Infrared Sensor Method;Test method: The test sample is mounted in a permeation cell so as to form the barrier between two chambers. Both chambers are evacuated. Afterwards, one chamber is filled with the testing gas. In the other chamber, the pressure increases because of the transmission through the specimen. The permeation rate is calculated based on the pressure .VAC-V1 gas permeability tester is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate as well as solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheeting, metal foils, rubber, tires and permeable membranes. 24h
CO2 transmission rate test by weighing method: Water vapor transmission rate test by inverted cup method: Non-destructive test for packaging seal performance: Multi-station packaging pressure test: Tensile test of packaging materials with ultra-long elongation: Heat-seal strength test for cap films of medical bottles, yogurt cups and jelly cupsIt is designed according to ASTM D3985 Standard Test Method for Oxygen Gas Transmission Rate through Plastic Film and Sheeting Using a Coulometric Sensor. Using this oxygen transmission rate tester, nitrogen is flushed through a chamber where the film sample has been placed. . Differential Pressure Method for Testing Nitrogen Packaging .MXD-01 Coefficient of Friction Tester is applicable in static and kinetic coefficient of friction tests to plastic films, sheets, rubber, paper, PP woven bags, fabric (fabric styles test), metal-plastic composite strip/belt for communication cable, conveyor belt, wood, coating, brake pads, windshield wiper, shoe material and tyre, etc. With the material smoothness testing, users can .
Those two methods have their respective advantages: differential pressure method has no requirements for testing gas, and can be used to test the transmission rate of any gas. Thus, this method can be used to test nitrogen transmission rate without further costs.Complete Product Line for Various Standards . By studying various test methods of water vapor transmission rate, Labthink manufactures many water vapor permeability testing instruments based on ASTM E96/GB 1037 (gravimetric method), ISO 15106-2/ASTM F1249 (infrared sensor method), ISO15106-3 (electrolytic sensor method) and ISO15106-1/ASTME398 (humidity .
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OTR Test - Differential-pressure Method|Permeation FAQ