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Table 1. Requirements of the Standard
Test Unit Requirement
Visual inspection n/a Pass Footnote (1)
Width tolerance mm −6
Pliability n/a no cracking
Tensile strength N/mm ≥ 3.5
Water vapour permeance ng/(Pa·s·m 2) ≥ 170; ≤ 1400
Maximum water vapour permeance after accelerated aging ng/(Pa·s·m 2) 2 900