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ISO 4793:1980

Current Revision

Laboratory sintered (fritted) filters -- Porosity grading, classification and designation

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 4793
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 48
Publish Date Document Id Type View
Not Available ISO 4793:1980 Revision