I.S. EN 143:2000

1 Scope
2 Normative references
3 Definitions
4 Description
5 Classification
6 Designation
7 Requirements
    7.1 General
    7.2 Nominal values and tolerances
    7.3 Visual inspection
    7.4 Connection
    7.5 Mass
    7.6 Multiple filters
    7.7 Material
    7.8 Packaging
    7.9 Mechanical strength (M.S.)
    7.10 Temperature conditioning (T.C.)
    7.11 Breathing resistance
    7.12 Filter penetration
    7.13 Clogging
          7.13.1 General
          7.13.2 Filter penetration
          7.13.3 Breathing resistance
8 Testing
    8.1 General
    8.2 Visual inspection
    8.3 Mechanical strength (M.S.)
          8.3.1 Test equipment
          8.3.2 Test procedure
    8.4 Temperature conditioning (T.C.)
    8.5 Test flow conditions
          8.5.1 General
          8.5.2 Multiple filters
    8.6 Breathing resistance
    8.7 Filter penetration
          8.7.1 General
          8.7.2 Test Procedure
          8.7.3 Sodium chloride test
          8.7.4 Paraffin oil test
    8.8 Clogging
          8.8.1 General
          8.8.2 Test equipment
          8.8.3 Test conditions
          8.8.4 Test procedure
9 Marking
    9.1 General
    9.2 Encapsulated filters
    9.3 Unencapsulated filters
    9.4 Filter package
10 Information supplied by the manufacturer
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other provisions
         of EU Directives

Refers to particle filters for use as components in unassisted respiratory protective devices with the exception of escape apparatus and filtering facepieces.