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From [Institution name]
Property |
Unit |
Requirement |
Result Summer grade |
Result Winter grade |
|
---|---|---|---|---|---|
Thickness variation |
% |
±10% of the manufacturer’s declared value |
0.02Footnote (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 |
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 |
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 |
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 |
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 |
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 |