Abstract Preview

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


General information

  • Status :  Published
    Publication date : 1978-10
  • Edition : 1
    Number of pages : 4
  • :
    ISO/TC 94/SC 6
    Eye and face protection
  • 13.340.20
    Head protective equipment

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