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Material Properties of the Membrane – Original Product

Property

Unit

Requirement

Result

Dry film thickness

mm

± 10% of the manufacturer declared value - 1.27 (50 mils)

1.165 (46 mil - average of 30 readings)

Tensile strength at 23°C (MD)

N

Report value

392

Tensile strength at 23°C (XD)

N

Report value

400

Elongation at 23°C (MD)

%

> 200%

334

Elongation at 23°C (XD)

%

> 200%

347

Load strain energy at 23°C (MD) strain energy

kN.m/m2

Report value

29.1

Load strain energy at 23°C (MD) peak load

kN/m

Report value

18.2

Load strain energy at 23°C (MD) ultimate elongation at 5% of max load

%

Report value

317

Load strain energy at 23°C ( XD) strain energy

kN.m/m2

Report value

25.1

Load strain energy at 23°C  (X D) peak load

kN/m

Report value

16.5

Load strain energy at 23°C  (XD) ultimate elongation at 5% of max load

%

` Report value

303

Table 4.1.1 Material Properties of the Membrane – Original Product (continued)

Property

Unit

Requirement

Result

Load strain energy at -18°C

MD

strain energy

kN.m/m2

Report value

18.7

peak load

kN/m

29.9

ultimate elongation at 5% of max load

%

122

XD

strain energy

kN.m/m2

Report value

7.6

peak load

kN/m

27.7

ultimate elongation at 5% of max load

%

53

Water vapour transmission at 127 mm thickness

ng/(Pa·s·m2)

< 60

58

Dynamic impact

at 23°C, impact height 25 cm

n/a

Rating 3 or 4

Pass

at -15°C, impact height 25 cm

n/a

Rating 3 or 4

Pass

Static puncture

at 23°C, 25 kg

n/a

Rating 3 or 4

Pass

at -15°C, 25 kg

n/a

Rating 3 or 4

Pass

Dimensional stability, 4 d at 50°C water bath

%

< 1

MD 0.38

XD 0.43

Water absorption,  4 d at 50°C water bath

%

< 3

0.43

Plastic flow

mm

< 1

0.5

Adhesion in peel

after water immersion, 1 day (d) at 50°C

N/m

> 200

1 249

at standard installation temperature 23°C without water immersion

> 200

1 726

at lowest installation temperature- -10°C without water immersion

> 200

1 058

Back-to-back peeling (lap peel)

N

Report value

42

N/m

1 680

Crack bridging

at -20°C (14 d at 70°C)

n/a

No visible cracking, splitting or loss of adhesion

Pass

at 40°C (14 d at 70°C) 

No visible cracking, splitting or loss of adhesion

Low temperature flexibility, at -40°C

n/a

No cracks

No visible cracks 5/5

Water tightness on original, after static puncture, dynamic puncture, after chemical aging

n/a

No evidence of leakage

No leakage – 48 kPa or 4.89 m water head pressure, 5 days

Pinholing

n/a

No pinhole revealed when viewed against 300 W flash lamp from 300 mm distance

Pass

Pull adhesion 

without primer – on pavement blocks

MPa

Report value

3.56

with primer – on concrete slab on pavement blocks

5.84

Table 4.1.2 Material Properties of the Membrane – After Heat Aging

Property

Unit

Requirement

Result

Retention properties after chemical resistance

Peel adhesion after NaOH immersion

N/m

> 200

1101 with Primer

Tensile strength after H2O immersion

MD

%

≥ 75% of original

145

XD

117

% elongation after H2O immersion

MD

%

≥ 75% of original

106 117

XD

Tensile strength after NaCl solution immersion

MD

%

≥ 75% of original

123

XD

131

% elongation after NaCl solution immersion

MD

%

≥ 75% of original

98

XD

96

Retention properties after heat aging

Peel adhesion after heat aging

N/m

> 200

552 with Primer

Tensile strength after heat aging

MD

%

≥ 90 of original

121

XD

134

% elongation after heat aging

MD

%

≥ 90 of original

93

XD

97

Retention properties after accelerated weathering FL/UV – 200 h

Tensile strength after UV weathering

MD

%

≥ 90 of original

92

XD

99

% elongation after UV weathering

MD

%

≥ 90 of original

96

XD

98

Peel adhesion after only UV weathering

N/m

> 200

393

Glass transition temperature

before heat or UV (original)

n/a

Report value

Pass (Not found between -74°C and 95°C)

after heat aging

< -10°C

after UV aging

< -10°C

Water tightness

after static puncture

n/a

No leakage observed after 5 days at 5 m height of water head

Pass

after dynamic puncture

after chemical aging (NaOH / NaCl / acetic)

after heat aging

after heat plus UV aging

Crack bridging performance

after water immersion at -20°C and 30°C

n/a

No visible cracking, splitting or loss of adhesion

Pass

after chemical aging (NaOH), at -20°C and 30°C

after chemical aging (acetic acid), at -20°C and 30°C

after UV, at -20°C  and 30°C