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DS/EN ISO 6179:2017
Rubber, vulcanized or thermoplastic - Rubber sheets and rubber-coated fabrics - Determination of transmission rate of volatile liquids (gravimetric technique) (ISO 6179:2017)
ISO 6179:2017 specifies two methods for determining, by measurement of the transmission rate, the permeability of rubber to volatile liquids diffusing into open air.**It is applicable only to materials in sheet form and to coated fabrics having thicknesses between 0,2 mm and 3,0 mm.**It is restricted to transmission rates of more than 0,1 g/m2╖h.**The methods are particularly useful for comparing the relative transmission rates of one liquid through different materials, or of several liquids through one material.**Method A, with refilling, is used when testing mixtures of liquids which give different transmission rates.**Method B, with no refilling, is used for a single-component liquid.**NOTE û A method for the determination of water vapour transmission rate is given in ISO 2528.
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