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ASTM D3985--Oxygen Permeation of Flexible Barrier Materials Using a Coulometric Sensor
August 13,2019.
Oxygen transmission rate, also named “OTR,” is the steady state rate at which oxygen gas can pass through a film. OTR is expressed as a volume of oxygen that penetrates a given area in a one-da...
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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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ASTM D638 Standard Test Method for Plastic film Tensile
August 21,2019.
Plastics are found in a wide variety of items used on a daily basis. Nowadays, plastics have started to be used as structural materials in daily food beverage and pharmaceutical packaging, due to thei...
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ASTM D1424, D1922 Elmendorf Tear Tester determinate tearing resistance property of packaging films material
September 4,2019.
Packaging material tear property is one of the most important testing property for the laboratory testing. Tearing strength testing can be applied in plastic film, paper and textile industries. It is ...
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ASTM D3078 Standard Test Method for Determination of Leaks in Flexible Packaging by Bubble Emission
September 4,2019.
There are many different type of Popcorn bags and other vacuum packaging bags in our daily life. These type of packaging sealing quality is very critical for the packaging products shelf life. Thus le...
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Mechanical Properties Tensile Test of flexible packaging material in our daily life
September 18,2019.
In recent years partly due to environmental concerns, most plastic bags used at supermarkets, conveniences stores, and other locations, and residential garbage bags, are made of polyethylene or polyet...
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Laboratory Heat Sealer used to test Heat Seal Parameters of Flexible packaging film
September 18,2019.
For many products, the impact of packaging on shelf life and product safety is critical to success. Packaging company will carefully specify packaging material characteristics in terms of functional a...
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Trump claim that scarves are better than a masks because it is thicker, really? GBPI's mask instruments test for you
April 9,2020.
On April 2, local time, when US President Trump was asked at the Novel Coronavirus Epidemic Press Conference whether Americans should wear masks to protect themselves from Novel Coronavirus infection,...
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what is the BFE and PFE-Mask filtering standard
April 27,2020.
The global economy is affected by the new coronavirus. In addition to the accelerated operation of production lines for the production of anti-epidemic protective products, many industrial productions...
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Mask related international standards
April 30,2020.
A summary of relevant foreign standards for masks, providing reference: Standard English title International DB 50/ 107-2003 DB 62/T 518-1998 DB 65/T 2028-2003 Medical purified ganuze mask CNS 1...
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Detailed explanation of the filtration efficiency detection of melt blown cloth particulate matter
May 5,2020.
Is the meltblown cloth you purchased really qualified? What items are required for meltblown cloth testing? About Meltblown Meltblown cloth is the "heart" of the mask. It is used for the filter layer ...
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