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Results of Testing of Material Property for the Product

Property

Unit

Requirement

Result

Sheet width (tolerance) 

mm

≥ –6

Pass

Results of Testing of Performance Requirements for the Product

Property

Unit

Requirement

Result

Tensile strength 

N/mm

≥ 3.5

4.79

Water vapour permeanceFootnote (1)

ng/(Pa·s·m2)

≥ 170

4 808

Water ponding (original) 

-

No leakage

PassFootnote (2)

Tensile strength (% retention of original) after UV exposure

%

≥ 90

93.7

Tensile strength (% retention of original) after UV exposure and heat aging

%

≥ 85

90.6

Water vapour permeance after UV exposure and heat aging

ng/(Pa·s·m2)

≥ 170

10 433

Water ponding after UV exposure and heat aging

-

No leakage

PassFootnote (2)