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How to use compression tester in packaing?
September 25,2020.
What is a carton compression testing machine？ The carton compression tester is the most direct test instrument for testing the compressive strength of cartons or other packaging containers. It is used...
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3 factors affect the packaging heat sealing effect
September 14,2020.
The packaging heat sealing strength tester developed and produced by GBPI is to heat the sealing part of the plastic film into a viscous flow state. With the help of a certain pressure, the two films ...
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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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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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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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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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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 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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What is the functional configuration of the nozzle bag sealing machine
June 11,2020.
The tube sealing machine is mainly used in self-supporting nozzle bags, so his history is basically synchronized with the nozzle bags, which can also be called the nozzle bag sealing machine. It is ma...
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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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