test report of delivery inspection
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China Standard	GB175-2007			No.		�����span>
Kiln	dry-process rotary kiln	Quantity(Ton)	�����span>	Date of production		�����span>
Description		Ordinary portland cement		Grade		52.5R
Item		Unit	Standard requirments	Test results
Fineness Specific Surface		m2/kg	≥300	378
comsumptive use of water normal consistence		%	——	27.9
Initial Setting time		Time櫻�옙��nute	≥45min	180min
Final Setting time		Time:Minute	≤600min	360min
Invariability櫻�옙��t test櫻�옙��span>		——	Eligible	Eligible
SO3		%	≤3.5	2.38
MgO		%	≤5.0	3.82
LOSS		%	≤5.0	1.94
Cl-		%	≤0.06	0.0064
Admixture	sort			Slag		eruption
	admixture adding rate	%	≤20	7.24		6.82
Bending Stregth	3d	Mpa	≥5.0	1	2	3	average
				5.2	5.1	5.4	5.3
	28d	Mpa	≥7.0	1	2	3	average
				7.3	7.4	7.4	7.3
Compressive Strength	3d	Mpa	≥27.0	1	2	3	average
				28.0	27.8	27.5
				4	5	6	27.5
				27.2	27.3	27.3
	28d	Mpa	≥52.5	1	2	3	average
				52.8	52.6	53.0
				4	5	6	52.8
				53.1	52.6	52.8
Test results	All the datas have met the standard of GB175-2007,so the goods are eligible
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Remark	The test result is available for P.O52.5R
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Chemical composition of PO52.5R
Cl-	alkali content	Fe2O3	AI2O3	CaO	MgO	SiO2	SO3	LOSS
0.0064	0.62	4.08	5.35	54.91	3.82	21.07	2.21	4.92