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Results of Testing of Material Properties of the Product

Property

Unit

Requirement

Result Summer grade

Result Winter grade

Thickness variation

%

±10% of the manufacturer’s declared value

0.02Footnote (1)

0Footnote (1)

Hardness (Type 00 hardness gauge)

Report value

79.1

84.9

Water vapour permeance (WVP), Procedure B

ng/(Pa∙s∙m2)

±10% of the manufacturer’s declared value

1.51Footnote (2)

1.65Footnote (2)

Tensile strength at break machine direction

kN/mFootnote (3)

Report value

12.67

13.86

Tensile strength at break cross-machine direction

13.89

13.60

Results of Testing of Watertightness Performance of the Product

PropertyFootnote (1) Footnote (2)

Requirement

Result

Summer grade

Winter grade

Watertightness

No leakage

Passed

Water immersion/watertightness

No leakage

Passed

Heat aging/watertightness

No leakage

Passed

Chemical aging (NaOH)/watertightness

No leakage

Passed

Chemical aging (acetic acid)/watertightness

No leakage

Passed

UV aging/watertightness

No leakage

Passed

Low temperature flexibility/watertightness

No leakage

Passed

Table 4.2.2 Results of Testing of Crack Bridging Resistance of the Product

PropertyFootnote (1)

Requirement

Result

Summer grade

Winter grade

Crack bridging

30 cycles at −20°C

No cracking, breakage, tearing, adhesion failure or other observable failures

Passed

30 cycles at 30°C

Water immersion/crack bridging

30 cycles at −20°C

No cracking, breakage, tearing, adhesion failure or other observable failures

Passed

30 cycles at 30°C

Heat aging/crack bridging

10 cycles at −20°C

No cracking, breakage, tearing, adhesion failure or other observable failures

Passed

10 cycles at 30°C

Chemical aging (NaOH)/crack bridging

10 cycles at −20°C

No cracking, breakage, tearing, adhesion failure or other observable failures

Passed

10 cycles at 30°C

Chemical aging (acetic acid)/crack bridging

10 cycles at −20°C

No cracking, breakage, tearing, adhesion failure or other observable failures

Passed

10 cycles at 30°C

UV aging/crack bridging

10 cycles at −20°C

No cracking, breakage, tearing, adhesion failure or other observable failures

Passed

10 cycles at 30°C

Table 4.2.3 Results of Testing of Peel Adhesion Performance of the Product

PropertyFootnote (1)

UnitFootnote (2)

Requirement

Result

Summer grade

Winter grade

Peel adhesion

N/m

≥ 175

1 845

1 155

Water immersion/peel adhesion

N/m

≥ 90% of 175

1 373

916

Heat aging/peel adhesion

N/m

≥ 90% of 175

1 327

818

UV aging/peel adhesion

N/m

≥ 90% of 175

1 879

1 354

Table 4.2.4 Results of Testing of Tensile Strength of the Product

PropertyFootnote (1)

UnitFootnote (2)

RequirementFootnote (3)

ResultFootnote (4)

Summer grade

Winter grade

Heat aging/tensile strength

kN/m

≥ 90% of original value

12.37

14.93

Chemical aging (NaOH)/tensile strength

kN/m

≥ 90% of original value

12.92

12.87

Chemical aging (acetic acid)/tensile strength

kN/m

≥ 90% of original value

13.11

13.83

UV aging/tensile strength

kN/m

≥ 90% of original value

12.23

13.61

Table 4.2.5 Results of Testing of Performance Properties of the Lap JointFootnote (1)

PropertyFootnote (2)

Unit

Requirement

Result

Summer grade

Winter grade

Water immersion/watertightnessFootnote (3)

No leakage

Passed

Heat aging/watertightnessFootnote (3)

No leakage

Passed

Water immersion/adhesion

N/m

≥ 90% of 175

511

382

Heat aging/peel adhesion

N/m

≥ 90% of 175

655

701

UV aging/peel adhesion

≥ 90% of 175

395

528

Lap joint shear test

No bounding and slippage failure prior reaching the breaking strength of the membrane

Passed

Heat aging/lap joint shear test

No bounding and slippage failure prior reaching the breaking strength of the membrane

Passed