金鲤牌硅酸盐水泥质量指针

GOLD CARP BRAND PORTLAND CEMENT

BS12:1996 52.5N

 

I.物理性质 Physical Properties

澳门水泥标准要求

Macau Cement Standard

典型数值 TYPICAL RESULTS

A.     A. 抗压强度(砂浆试块)

  二天强度不低于20N/mm2

  七天强度无要求

  廿八天强度不低于52.5N/mm2,

      及不高于72.5N/mm2

Compressive Strength (Mortar prism)

At 2 days not less than 20N/mm2 

At 7 days not specified

At 28 days not less than 52.5N/mm2

            and not higher than 72.5N/mm2

 

 

22.3N/mm2

42.0N/mm2

60.3N/mm2

B. 凝结时间

Setting Time

 

初凝:不低于60分钟

Initial setting time not less than 60 minutes.

150 min

终凝:无要求

Final setting : not specified

210 min

C. 安定性: 膨胀不大于10mm

Soundness :Expansion not more than 10mm by “Le Chatelier” Test

1.0 mm

D. 细度 (比表面积:无要求)

Fineness (Specific surface: not specified)

315/kg

E. 标准稠度: (无要求)

Standard  Consistence (not specified)

28.5%

F. 比重: (无要求)

Specific Gravity (not specified)

3.14

Π.化学组成 Chemical Composition

项目

Items

澳门水泥标准要求

REQUIREMENTS

典型数值

TYPICAL

RESULTS

烧失量 Loss on Ignition

< 5.0 %

2.0 %

酸不溶物 Insoluble Residue

< 5.0 %

0.5 %

氧化硅 Silica (SiO2)

 

 21.0%

氧化铝 Alumina (AI2O3)

 

 5.5%

氧化铁Ferric oxide (Fe2O3)

 

 3.0%

氧化钙 Calcium Oxide(CaO)

 

 64.5%

氧化镁 Magnesia (MgO)

 

 1.3%

三氧化硫 Sulphuric Anhydride (SO3)

< 4.0 %

2.5%

Chloride (Cl)

< 0.10 %

0.01%

酸溶碱含量

Acid Soluble Alkali as Na2O

 

0.45%

石灰饱和系数

Lime Saturation Factor

 

0.94%

游离氧化钙

Free Lime (fCaO)

 

0.0%

硅酸三钙

Tricalcium Silicate (C3S)

 

53.3%

硅酸二钙

Dicalcium Silicate (C2S)

 

18.7%

铝酸二钙

Tricalcium Aluminate (C3A)

 

8.7%

铁铝酸四钙

Tetracalcium Alumino Ferrite (C4AF)

 

10.0%

 

III备注 Remarks:本公司水泥产品质量符合一定的波动范围

                               The cement test results comply with the range of undulation.