packaging testing equipment Water Vapor Permeation Tester
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N600 battery diaphragm permeability tester

Testing the permeability of battery separators
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Product Detail
Working principle
Gehrig's method: Determine the time taken to pass 100ml of gas at a constant differential pressure of 1.23kPa.
Schopper method: Constant differential pressure of 1.00 kPa ± 0.01 kPa or 2.50 ± 0.01 kPa, choose a suitable test duration and determine the gas flow through the specimen by the test volume.
Bengtsson method: The air flow through the test surface is recorded after 5s of clamping at a constant differential pressure of 1.47kPa.

Conform to the standard
SJ_T 10171-2016 General test method for basic performance of alkaline battery separators (permeability part)
GB/T 458-2008 Determination of air permeability of paper and cardboard

GB/T 36363-2018 Polyolefin diaphragm for lithium-ion batteries


Specifications

Specifications

Gurley Method

Schopper Method

Bendtsen method

Testing Range

0.01-2.5um/(Pa.s)

Transmission Rate

 c0.01-120ml/minOther ranges are optional

 Resolution Ratio

0.001um/(Pa.s)

Differential Pressure

Range0-3KPaAccuracy±0.01kPaOther ranges are optional

Effective pressure difference

1.23kpa±0.01kPa

1.00 kPa±0.01kPa or

2.50±0.01kPaGas flow less than0.13ml/L

1.47kPa±0.02kPa

Testing Duration

10-6000.0s

Sample Size

50mm×50mm

60mm×100mm

50mm×50mm

Sample Temperature and Humidity Treatment

A. PreprocessLet stand for 24h under the condition of <40℃, 10-35%RH

B.The difference between weighing before and after 1h is not more than 0.25% of the total mass, and the sample is balanced

Instrument

Dimensions

L×W×H: 500mm×400mm×300mm

Power

100w

Power Source

220V,50Hz


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