Method for measuring a permeation rate, a test and an...

Measuring and testing – With fluid pressure – Leakage

Reexamination Certificate

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C073S038000, C436S169000, C116S206000

Reexamination Certificate

active

06993956

ABSTRACT:
A method is proposed for measuring water permeability of substrates (1). A reactive compound (Ca, Ba) which reacts with a diffusing material, e.g. water, is applied on the substrate and the change in time of transmissivity, reflectivity of the layer is monitored in time.

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