ISO 4851:1979
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ISO 4851:1979
10834

Abstract 

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 

  •  :  Withdrawn
     : 1979-02
  •  : 1
     : 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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