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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	MD ^{Footnote (1)} 12.9, XD ^{Footnote (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	–0.5 ^{Footnote (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

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