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ASTM F1249 Standard Test Method for Flexible Barrier Materials Water Vapor Transmission Rate
August 13,2019.
Water Vapor Transmission Rate also called WVTR is an important packaging material property and can be directly related to shelf life and packaged product stability. ASTM F11249 Tester use an infrared ...
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ASTM E96 – Water Vapor Transmission Rate of Materials Using Gravimetric Method
August 19,2019.
As we all know, nowadays products packaging plays an important role in protecting product quality for the duration of its require shelf life. For moisture sensitive products, such as dry milk po...
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ASTM D1434 Standard Test Method for Testing Gas Permeability Characteristics of Plastic Film and Sheeting
August 21,2019.
Gas Transmission Rate(GTR),also called gas permeability, is the ability of a barrier material to allow gases (O2, N2, CO2 etc.) to permeate through it in a specific time. Gas permeability may vary wit...
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What is water vapor transmission rate (WVTR) and the test method ?
August 26,2020.
water vapor transmission rate (WVTR), also Moisture vapor transmission rate (MVTR), is a measure of the passage of water vapor through a substance. It is a measure of the permeability for vapor b...
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Do we need to test the melt-blown cloth before mask production?
November 11,2020.
Masks generally refer to appliances worn on the mouth and nose to filter the air in the entrance and exit nose to prevent harmful gases, odors, and droplets from entering and exiting the wearer's nose...
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Why is Aluminium foil used in pharmaceutical packaging?
December 17,2020.
Aluminium foils for pharmaceuticalpackagingpromise performances of non-toxic, corrosion resistance,heat resistance, moisture resistance, light resistance, light ...
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How to use the water vapor transmission rate tester for testing plastics
January 11,2021.
Experimental steps 1. Connect the gas cylinder and the "nitrogen inlet" gas path of the instrument to adjust the pressure of the pressure reducing valve between 0.1 and 0.3 MPa (no air leakage). 2. Op...
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GBPI new product obtains NIFDC certification
January 25,2021.
In the past 2020, the GBP company and the whole world worked hard to resist our common enemy--the coronavirus. In order to provide mask manufacturers with efficient and accurate mask testing devices, ...
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What are the cosmetic packaging testing items?
May 31,2021.
As today's fashionable consumer products, cosmetics not only need exquisite packaging, but also need to protect the products during transportation or shelf life. The inspection...
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Testing of the moisture-proof performance of the packaging of granular Sachets medicines
July 14,2021.
Granule drugs are more sensitive to external water vapor, and the packaging is required to have high moisture resistance. The inspection of packaging is an indispensable production link. Now we will t...
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GBPI New Launch W401 2.0 Water Vapor Permeation Analyzer
September 8,2021.
1.Product Introduction Based on the testing principle of the infrared sensor, W401 is designed and manufactured with reference to the standard of GB/T 26253. It is used to test the water vapor tr...
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What is MVTR test?
September 15,2021.
From Wikipedia: Moisture vapor transmission rate(MVTR), also water vapor transmission rate (WVTR), is a measure of the passage of water vapor through a substance. It is a measure of the permeability f...
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