<p>ISO 4920:2012 specifies a spray test method for determining the resistance of any fabric, which might or might not have been given a water‑resistant or water‑repellent finish, to surface wetting by water.</p>
<p>It is not intended for use in predicting the rain-penetration resistance of fabrics, since it does not measure penetration of water through the fabric.</p>
Registration number (WIID)
50706
Scope
<p>ISO 4920:2012 specifies a spray test method for determining the resistance of any fabric, which might or might not have been given a water‑resistant or water‑repellent finish, to surface wetting by water.</p>
<p>It is not intended for use in predicting the rain-penetration resistance of fabrics, since it does not measure penetration of water through the fabric.</p>
