Jetzt auswählen und bestellen
56,10 €
exkl. USt.
In den Warenkorb
Icon ISO
Icon ISO
Norm

ISO 4793:1980

Ausgabedatum: 1980 10 01

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

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, cera...
Gültig
Herausgeber:
International Organization for Standardization
Format:
Digital | 7 Seiten
Sprache:
Englisch

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.