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Test Results for the Product

Property

Unit

Requirement

Result

Compressive strength (initial)

kPa

≥ 150

311.8

Dynamic impact resistance (mean failure energy)

J

≥ 2.45

5.6

Creep resistance (residual thickness at 25 years/10°C)

%

≥ 40% at 25 years/10°C

88.5

Cold bending at –30°C

N/A

No visible crack

No visible crack

Tensile strength

at yield

kN/m

≥ 8

MDFootnote (1) 12.9, XDFootnote (1) 9.4

elongation at break

%

≥ 25

MD 42.9, XD 41.4

anisotropy ratio

≥ 0.5

1.37

Heat aging for 8 weeks

dimensional change

%

≤ 1

MD –1.0, XD –0.7

weight change

%

≤ –0.1

0.5Footnote (2)

residual compression strength

%

≥ 80 of initial

109

creep resistance after heat aging (residual thickness at 25 years/10°C)

%

≥ 40% at 25 years/10°C

89.8

Resistance to alkaline environment

appearance

N/A

No visible crack

No visible crack

residual compression strength

%

≥ 80% of initial

110.1

cold bending at –30°C

N/A

No cracks at room temperature

No visible crack

 

Geometrical properties

orientation of dimples

Report value

Square MD/XD

number of dimples per unit area

Dimples/m2

Report value

1 271

overall thickness

mm

Report value

8.64

sheet thickness

Report value

0.86

hollow core thickness

≥ 5

7.78

Anchorage performance

kN/anchor

Report value

0.69