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Test Results for "Hydrostar AG"

Property

Unit

Requirement

Result

Compressive strength (initial)

kPa

≥ 150

357.7

Dynamic impact resistance (mean failure energy)

J

≥ 2.45

10.4

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

%

≥ 40% at 25 years/10°C

86.2

Cold bending at -30°C

N/A

No visible crack

No visible crack

Tensile strength

at yield

kN/m

≥ 8

XD 9.5Footnote (1)

elongation at break

%

≥ 25

XD 27.5

anisotropy ratio

N/A

≥ 0.5

0.99

OIT after 2 weeks

minutes

5

14.2Footnote (2)

dimensional change

%

≤ 1

MD -0.6, XD -0.4

weight change

%

≤ –0.1

-0.3

residual compression strength

%

≥ 80 of initial

107

Heat aging (for 2 weeks)

OIT after 2 weeks

minutes

≥ 5

14.2Footnote (2)

dimensional change

%

≤ 1

MD -0.6, XD -0.4

weight change

%

≤ –0.1

-0.3

residual compression strength

%

≥ 80 of initial

107

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

%

Class B: ≥ 40% 25 years/10°C

88.4

Resistance to alkaline environment

appearance

N/A

No visible crack

No visible crack

residual compression strength

%

≥ 80 of initial

98.7

bending resistance

N/A

No visible crack

No visible crack

Test Results for "Hydrostar AG" Geometrical Properties

Geometrical Properties

Orientation of the dimples

-

Report value

Diagonal lMD/CD

Number of dimples per unit area

dimples/m2

Report value

1 554

Overall thickness

mm

Report value

6.96

Sheet thickness

mm

Report value

0.82

Hollow core thickness

mm

Report value

6.14

Anchorage performance anchorage efficiency

kN/washer

Report value

0.29

kN/plug

Report value

0.31