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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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Mask testing range and related testing standards
May 11,2020.
Today, the market demand for disposable masks is relatively large. GBPI is a global service mask manufacturer, providing various types of daily protective mask testing, disposable medical mask testing...
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Measuring method of mask gas exchange pressure difference tester
May 20,2020.
The gas exchange pressure difference test machine is also called disposable medical mask ventilation resistance tester 1. Measuring principle of gas exchange pressure difference tester: 1.1. Use a dev...
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How to choose a child mask
May 28,2020.
1. Classification and specifications of children's masks In the provisions of GB / T 38880-2020, children's masks are divided into two categories: child hygiene masks and child protective masks. In te...
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How to maintain the mask tensile tester
June 4,2020.
The mask tensile testing machine is also called an electronic tensile testing machine. The machine needs regular maintenance. The following are the general maintenance steps for reference: 1:the fixtu...
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What are aerosols/particulates
June 19,2020.
Since PM2.5 has been widely concerned, particulate matter has gradually been known to everyone. When it comes to particulate matter, you have to mention aerosol, so what are the differences and connec...
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How to distinguish between non-oily particulate filter and oily particulate filter for face mask?
June 23,2020.
There are many types of face masks on the market. Composite filter materials are the main components of masks. The general filter materials are: activated carbon fiber, activated carbon particles, mel...
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What is the difference between BFE and PFE ?
June 29,2020.
Many customers will ask about the difference between BFE and PFE for the introduction of mask instruments by GBPI. Today, GBPI takes everyone to understand the difference between them. The filter mate...
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What is the testing principle of the mask flame retardant tester
August 21,2020.
Many customers question whether masks need to be tested for burning performance. The answer is yes. Burning performance is one of the important indicators for mask testing. When a mask is accidentally...
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Can the mask be worn for exercise
August 26,2020.
In the face of the epidemic, masks are almost required to go to work, take the subway, go shopping, and even exercise. At the end of a day, the time spent with masks is usually...
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