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Material Properties

Property

Unit

Requirement

Result

Dry film thickness variation

± 10% of the manufacturer’s declared value

Pass

Hardness (Type 00 hardness gauge)

Report value

74.6

Water vapour permeance (WVP), Procedure B

ng/(Pa∙s∙m2)

Report value

17.0

Sag flow

mm

Shall exhibit a sag flow of not less than that required to obtain the specified dry film thickness

None

Pinholing

≤ 1 pinhole

Pass

Tensile strength at break

MPa

Report value

0.12

Elastic recovery

%

Report value

53.69

Watertightness Performance Test Results

PropertyFootnote (1) Footnote (2)

Requirement

Result

Watertightness

No leakage

Pass

Heat aging/Watertightness

No leakage

Pass

Chemical aging (NaOH)/Watertightness

No leakage

Pass

Chemical aging (acetic acid)/Watertightness

No leakage

Pass

UV aging/Watertightness

No leakage

Pass

Low temperature flexibility/Watertightness

No leakage

Pass

Table 4.2.2 Crack Bridging Resistance Test Results

PropertyFootnote (1)

Requirement

Result

Crack bridging

30 cycles at −20°C

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

Pass

30 cycles at 30°C

Water immersion/Crack bridging

30 cycles at −20°C

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

Pass

30 cycles at 30°C

Heat aging/Crack bridging

10 cycles at −20°C

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

Pass

10 cycles at 30°C

Chemical aging (NaOH)/ Crack bridging

10 cycles at −20°C

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

Pass

10 cycles at 30°C

Chemical aging (acetic acid)/ Crack bridging

10 cycles at −20°C

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

Pass

10 cycles at 30°C

UV aging/Crack bridging

10 cycles at −20°C

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

Pass

10 cycles at 30°C

Table 4.2.3 Peel Adhesion Performance Test Results

PropertyFootnote (1)

Unit

Requirement

Result

Peel adhesion at

23°C

N/m

≥ 175

3590

maximum temperatureFootnote (2)

960

minimum temperatureFootnote (2)

8000

Water immersion/Peel adhesion

N/m

≥ 90% of 175

3030

Heat aging/Peel adhesion

N/m

≥ 90% of 175

5600

UV aging/Peel adhesion

N/m

≥ 90% of 175

4200

Table 4.2.4 Tensile Strength Test Results

PropertyFootnote (1)

Unit

RequirementFootnote (2)

Result

Heat aging/Tensile strength

MPa

≥ 90% of original value

0.66

Chemical aging (NaOH)/Tensile strength

MPa

≥ 90% of original value

0.12

Chemical aging (acetic acid)/Tensile strength

MPa

≥ 90% of original value

0.20

UV aging/Tensile strength

MPa

≥ 90% of original value

0.24

Table 4.2.5 Tensile Strength Test Results
PropertyFootnote (1)

Unit

RequirementFootnote (2)

Result

Heat aging/Elastic recovery

%

≥ 90% of original value

51.54

Chemical aging (NaOH)/Elastic recovery

%

≥ 90% of original value

53.19

Chemical aging (acetic acid)/Elastic recovery

%

≥ 90% of original value

48.74

UV aging/Elastic recovery

%

≥ 90% of original value

49.09