NBN EN ISO 7854 : 1997

Committees responsible
National foreword
Introduction
Methods
1 Scope
2 Normative references
3 Method A - De Mattia method
4 Method B - Schildknecht method
5 Method C - Crumple/flex method
6 Analysis of flexing damage
Annex
A (informative) Recommendations for conducting flex
    testing on wet test pieces
ZA Normative references to international publications
    with their relevant European publications
Figures
1 Illustration of folding and configuration of test
    pieces for De Mattia method
2 Mounting the test pieces
3 Illustrative diagram of crumple/flex method
4 Configuration of test piece for crumple/flex method
5 Selection of test pieces for hydrostatic-head testing
    from crumple/flex test pieces
NA.1 Folded test specimens in clamps in open position
NA.2 Vertical plane through centre line of test specimen
NA.3 Crease pattern formed by flexing
National annex
NA (informative) Details of SATRA method

Covers three methods for assessment of the resistance of coated fabrics to damage by repeated flexing.