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Results of Testing the Adhesive Properties of the Product

Property

Unit

Requirement

Result

Tensile strength

N/mm

≥ 3.5

5.37

Breaking force

N

≥ 180 MDFootnote (1)

307.9 MD

≥ 160 XDFootnote (1)

417.1 XD

Water vapour permeance

ng/Pa·s·m2

≥ 170

1 770

Water ponding - original

No leakage

Pass

Tensile strength after UV exposure % retention of the original

%

≥ 90

91.6%

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

%

≥ 85

92%

Water vapour permeance after UV exposure and heat aging

ng/Pa·s·m2

≥ 170

2 687

Water ponding after UV exposure and heat aging

No leakage

Pass

Result of Testing the Water Vapour Permeance of the Insulation Panel

Property

Unit

Requirement

Result

Water vapour permeance with NBC-required directionality (57.3-mm-thick specimen)Footnote (1)

ng/Pa·s·m2

≥ 60

71