DEVICE AND METHOD OF TESTING MATERIALS FOR PERMEABILITY FOR CHEMICALS Russian patent published in 2025 - IPC G01N15/08 

Abstract RU 2837800 C2

FIELD: measuring.

SUBSTANCE: invention relates to a chamber and a method for testing materials for permeability for chemicals. Material permeability test chamber for chemical contaminants comprises an upper housing part equipped with one or more primary vent holes for the primary gas flow passage, and a lower part of the housing, equipped with one or more secondary ventilation holes for passage of the secondary gas flow. Upper part of the housing and the lower part of the housing are sealed together after placing the contaminant on the upper side of the test sample located between the upper part of the housing and the lower part of the housing. One of the secondary ventilation holes of the lower housing is made with possibility of attachment to the sorption tube for accumulation of the contaminant penetrated through the tested sample. Device is configured to mount: a load on the test sample to exert pressure on the contaminant to allow penetration of the contaminant through the test sample; and a perforated polytetrafluoroethylene mesh located under the test sample to allow passage of the contaminant into the sorption tube.

EFFECT: possibility of quantitative determination of chemical contaminant penetration density.

22 cl, 21 dwg

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RU 2 837 800 C2

Authors

Garg Prabhat

Imran Mohammad

Thakare Vikas Baburao

Sonkar Atul Kumar

Gupta Arvind Kumar

Dates

2025-04-04Published

2022-11-03Filed