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Physical Properties

Property

Unit

Requirement

Result

Air permeance for a 25-mm-thick specimen

L/(s∙m2)

≤ 0.020

0.0020

Apparent core density

kg/m3

≥ 28.0

34.0

Compressive strength

kPa

≥ 170

263

Dimensional stability, without substrate volume change at:

−20°C

%

−1

−0.2

80°C

%

+8

2.7

70°C, 97 ± 3% RH

%

+14

6.9

Surface burning characteristics Flame-spread rating Footnote (1)

≤ 500

315

Open-cell content volume

%

≤ 10

5.94

Initial thermal resistance for a 50-mm-thick specimen (after 11 days at 23°C)

(m2∙K)/W

Declare

2.54

Long-term thermal resistance (LTTR) Footnote (2) at

140 mm

(m2∙K)/W

Declare

6.05

125 mm

(m2∙K)/W

Declare

5.37

100 mm

(m2∙K)/W

Declare

4.22

75 mm

(m2∙K)/W

Declare

3.12

50 mm

(m2∙K)/W

Declare

2.05

Tensile strength

kPa

≥ 200

226

Volatile organic emissions (VOC) Footnote (3)

day

≤ 30

1

Water absorption by volume

%

≤ 4.0

1.05

Water vapour permeance (WVP) for a 50-mm-thick specimen Specimen with top skin removed

ng/(Pa∙s∙m2)

≤ 60

52

Fungi resistance

No growth

None

Physical Properties in High Temperature Application

Property

Unit

Requirement

Result

Air permeance for a 34-mm-thick specimen

L/(s∙m2)

≤ 0.020

0.0014

Water vapour permeance (WVP) for a 50-mm-thick specimen with top skin removed

ng/(Pa∙s∙m2)

≤ 60

 73 Footnote (1)

Physical Properties in Low Temperature Application

Property

Unit

Requirement

Result

Initial thermal resistance for a 50-mm-thick specimen (after 3 days at 23°C)

(m2∙K)/W

Declare

2.39

Long-term thermal resistance (LTTR) Footnote (1) at

140 mm

(m2∙K)/W

Declare

6.06

125 mm

(m2∙K)/W

Declare

5.29

100 mm

(m2∙K)/W

Declare

4.11

75 mm

(m2∙K)/W

Declare

3.00

50 mm

(m2∙K)/W

Declare

1.94

Adhesion Strength to Substrate

Property

Unit

Requirement

Result

Adhesion strength Footnote (1) over:

Exterior gypsum board

kPa

≥ 2.6

 145

OSB

kPa

≥ 2.6

100

Plywood

kPa

≥ 2.6

174

Concrete slab

kPa

≥ 2.6

265

Wood

kPa

≥ 2.6

105

Foam Uniformity – Summary of Cell Sizes

Property

Unit

Requirement

Result

Average cell sizes

Panel with two cavities of 600 mm o.c.

mm

< 0.5

Pass Footnote (1)

Panel with three cavities of 400 mm o.c.

mm

< 0.5

Pass Footnote (2)

Panel with four cavities of 300 mm o.c.

mm

< 0.5

Pass Footnote (3)

Material Temperature Requirements Due to Exothermic Reaction

Property

Unit

Requirement

Result

Maximum recorded temperature at any place in the foam

OSB substrate

°C

< 200

181.7

Gypsum substrate

°C

< 200

184.1

Temperatures in the foam vs. time

°C

Temperature vs. time must be decreasing after the peak Footnote (1)

Pass

Maximum recorded temperature at wood frame – foam interface

OSB substrate

°C

< 170

90.6

Gypsum substrate

°C

< 170

59.0

Maximum recorded temperature at substrate – foam interface:

Wood material and gypsum board OSB substrate

°C

< 170

122.5

Wood material and gypsum board Gypsum substrate

°C

< 170

89.6

Melting material

°C

Foam temperature must be less than melting temperature of the material Footnote (2)

n/a

Non-combustible materials

Not required

n/a

Time frame for the foam temperature to cool down to 21°C

OSB substrate

hh:mm

Report value

16:40 Footnote (3)

Gypsum substrate

hh:mm

Report value

03:07 Footnote (3)

Effect of maximum recorded temperature on electrical wires

OSB substrate Footnote (4)

No damage to the electrical wire jacket where maximum foam temperature is reached

183.6°C Footnote (4) was recorded near the wire and no visual effect was observed on the wire jacket