Gives the numbering of and transmittance requirements for filters. It defines guidance and their selection and use. Optical test methods form the subject of ISO 4854. Non-optical test methods form the subject of ISO 4855. The symbol for filters includes a code number and the shade number corresponding to the filter. The determination of transmittance is described in clause 5 of ISO 4854.

General information

  • Status :  Withdrawn
    Publication date : 1979-02
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 94/SC 6
    Eye and face protection
  • 13.340.20
    Head protective equipment

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal:

Life cycle

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