水泥品类Cement Category

检验标准Standard

O.P.C PO42.5

GB175-2007

Items

Unit

Mandatory Targets

Standard

****SO3

%

Max3.5

GB/T 176

氧化镁Ego

%

Max5.0

GB/T 176

碱含量Alkali Eq (Na2O+0.658K2O)

%

Max0.6

GB/T 176

烧失量Loss On Ignition (LOI)

%

Max5.0

GB/T 176

比表面积Fineness (Specific Surface)

M2/Kg

Min300

GB/T 8074

氯离子Chloride Content (Cl—)

%

Max0.06

JC/T 420

安定性（试饼法）Soundness (Pat Test)

----

Qualified

GB/T 1346

标准稠度用水量

Water Requireme*f Normal C*istency

ML

----

GB/T 1346

凝结时间

Setting Time

初凝Initial

Min

Min45

GB/T 1346

终凝Final

Max600

GB/T 1346

*折强度

Flexural Rigidity

3 DAYS

Amp

Min 3.5

GB/T 17671

28 DAYS

Min 6.5

GB/T 17671

*压强度

Compressive Strength

3 DAYS

Min 17

GB/T 17671

28 DAYS

Min 42.5

GB/T 17671

*28 DAYS OF FLEXURAL RIGIDITY AND COMPRESSIVE STRENGTH ,THESE ITEMS ARE NOT TEST BY ANY INSPECTION ORGANIZATION AT LO****GPORT

*其中任何检测机构在离岸港口对“28天*折和*压强度”项目不做测试