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ISO 4793:1980
Laboratory sintered (fritted) filters — Porosity grading, classification and designation
Automatically translated name:
Laboratory sintered (fritted) filters -- Porosity grading, classification and designation
STANDARD published on 1.10.1980
The information about the standard:
Designation standards: ISO 4793:1980
Publication date standards: 1.10.1980
SKU: NS-432494
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 4793:1980 :
Description / Abstract: 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.
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