International Standard
ISO 4793:1980
Laboratory sintered (fritted) filters — Porosity grading, classification and designation
Reference number
ISO 4793:1980
Edición 1
1980-10
International Standard
Vista previa
ISO 4793:1980
10772
No disponible en español
Publicado (Edición 1, 1980)
Esta norma se revisó y confirmó por última vez en 2023. Por lo tanto, esta versión es la actual.

ISO 4793:1980

ISO 4793:1980
10772
Idioma
Formato
CHF 63
Convertir Franco suizo (CHF) a tu moneda

Resumen

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.

Informaciones generales

  •  : Publicado
     : 1980-10
    : Norma Internacional confirmada [90.93]
  •  : 1
     : 7
  • ISO/TC 48
    71.040.20 
  • RSS actualizaciones

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