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Performance Requirements

Results of Testing of Physical and Mechanical Properties of the Product

Property

Unit

Requirement (Type II)Footnote (1)

Result

Unit mass of matFootnote (2)

g/m2

≥ 180

190

Minimum thickness

mm

≥ 0.51

1.24

Breaking load

kN/m

≥ 5.2

17.8 MDFootnote (3) 11.6 XDFootnote (3)

Elongation

%

≥ 25

44 MD 55 XD

Trapezoid tearing strength

N

≥ 107

153.7 MD 152.6 XD

Puncture strength

N

≥ 169

336.9

Heat distortion stability

% change

≤ 2

1.1 MD 0.4 XD

Moisture at point of manufacture

%

≤ 1.0

0

Mass of bituminous saturant (asphalt) OR

g/m2 Footnote (4)

≥ 308

395

Percentage of bituminous saturant

%

≥ 170

206

Mass of comminuted surfacing (sand)

g/m2

≤ 100

5.95

Net dry mass of asphalt-impregnated polyester feltFootnote (5)

g/m2

≥ 488

585

Pliability at 25ºC - 12.7-mm (1/2-in.) radius bend

No failure

Passed

Pliability at –5ºC - 12.7-mm (1/2-in.) radius bendFootnote (6)

No failure

Passed

Loss on heating at 105ºC for 5 h

%

≤ 4

0.25

Behaviour on heating

No flowing, sagging, blistering or absorption of the coating

Passed

Water vapour permeance (Desiccant Method)

ng/(Pa·s·m2)

Report value

5382.98Footnote (7)

Strain energy

kN/m

≥ 3.0

6.05 MD 4.22 XD

Dynamic cold temperature cycling

Peel strength must be min. 80% of original value

Passed

Straightness

mm

≤ 50

5

Flatness - dry

mm

≤ 10

3

Flatness - mopped

Comparable to flatness of modified bituminous sheet membrane

Passed