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Dimensional Tolerances
Property

Unit

Requirement

Result

LengthFootnote (1)

mm/m

+0 to –5

-0.966

WidthFootnote (1)

mm/m

+0 to –5

-0.245

SquarenessFootnote (2)

mm/m

≤ 2

0.0

ThicknessFootnote (2)

%

± 6

–1.03

Physical Tolerances

Property

Unit

Requirement

Result

Transverse load at rupture

N

≥ 70

1 282

Tensile strength parallel to surface

kPa

≥ 1 000

1 946

Water absorption

%

≤ 7.0

2.2

Linear expansion @ 50% to 90% RH

%

≤ 0.5

0.18

Density

kg/m3

   ≥265Footnote (2)

266

Water vapour permeance (Dry cup)

ng/(Pa·s·m2)

≥ 287

1 480

Thermal resistance for 38 mm (RSI)

(m2·°C/W)

0.41

0.47

Racking Load Test in accordance with ASTM E 72-13a, "Standard Test Methods of Conducting Strength Tests of Panels for Building Construction" (except testing done on wall with studs 38 mm × 140 mm at 400 mm o.c.)

Property

Units

Average Results

Ultimate load

kN

14.24Footnote (1)

Shear resistance

kN/m

  5.83Footnote (1)

Failure load (0.8 ultimate load)

kN

 11.39Footnote (1)

Deformation at 3.5 kN

real mm

 4.5Footnote (2)

residual mm

  1.53Footnote (2)

Deformation at 7.0 kN

real mm

 14.81Footnote (2)

residual mm

  5.52Footnote (2)

Deformation at 10.5 kN

real mm

 35.18Footnote (2)

residual mm

 17.11Footnote (2)

Deformation at ultimate load

mm

106.91Footnote (2)

Deformation at 0.8 ultimate load

mm

 43.21Footnote (2)