This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
Abstract Preview
Filters are graded according to their pore size index in one of the eight classes specified. This is applicable to laboratory filters made of glass, vitreous silica, ceramics, metals and plastic materials. Annex A specifies a method for determination of pore size index. Annex B and C concern with a procedure for assessing uniformity of filters and for determination of air permeability.
General information
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Status : PublishedPublication date : 1980-10
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Edition : 1Number of pages : 7
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- ICS :
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Laboratory ware and related apparatus
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Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Now confirmed
ISO 4793:1980
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