2.6.1. &quot; Rigid plastic glazing &quot; means a plastic glazing material which does not deflect vertically more than 50 mm in the flexibility test (Annex 3, paragraph 12.).
2.6.1 &lt; &lt; Vitrage en plastique rigide &gt; &gt; , un vitrage en plastique qui fléchit verticalement de plus de 50 mm lors de l &apos; essai d &apos; élasticité (annexe 3, par. 12).