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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
Dynamic impact	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
Static puncture	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
Dimensional stability, 4 d at 50°C water bath			%	< 1	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
Back-to-back peeling (lap peel)			N/m	Report value	1 680
Crack bridging	at -20°C (14 d at 70°C)		n/a	No visible cracking, splitting or loss of adhesion	Pass
Crack bridging	at 40°C (14 d at 70°C)		n/a	No visible cracking, splitting or loss of adhesion	Pass
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
Pull adhesion	with primer – on concrete slab on pavement blocks		MPa	Report value	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
Tensile strength after H2O immersion		XD	%	≥ 75% of original	117
% elongation after H2O immersion		MD	%	≥ 75% of original	106 117
% elongation after H2O immersion		XD	%	≥ 75% of original	106 117
Tensile strength after NaCl solution immersion		MD	%	≥ 75% of original	123
Tensile strength after NaCl solution immersion		XD	%	≥ 75% of original	131
% elongation after NaCl solution immersion		MD	%	≥ 75% of original	98
% elongation after NaCl solution immersion		XD	%	≥ 75% of original	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
Tensile strength after heat aging		XD	%	≥ 90 of original	134
% elongation after heat aging		MD	%	≥ 90 of original	93
% elongation after heat aging		XD	%	≥ 90 of original	97
Retention properties after accelerated weathering FL/UV – 200 h
Tensile strength after UV weathering		MD	%	≥ 90 of original	92
Tensile strength after UV weathering		XD	%	≥ 90 of original	99
% elongation after UV weathering		MD	%	≥ 90 of original	96
% elongation after UV weathering		XD	%	≥ 90 of original	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

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