金鯉牌硅酸鹽水泥品質指標

GOLD CARP BRAND PORTLAND CEMENT

BS12:1996 52.5N

 

I.物理性質 Physical Properties

澳門水泥標準要求

Macau Cement Standard

典型數值 TYPICAL RESULTS

A.     A. 抗壓強度(砂漿試塊)

  二天強度不低於20N/mm2

  七天強度無要求

  廿八天強度不低於52.5N/mm2,

      及不高於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. 凝結時間

Setting Time

 

初凝:不低於60分鐘

Initial setting time not less than 60 minutes.

150 min

終凝:無要求

Final setting : not specified

210 min

C. 安定性: 膨脹不大於10mm

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

1.0 mm

D. 細度 (比表面積:無要求)

Fineness (Specific surface: not specified)

315/kg

E. 標準稠度: (無要求)

Standard  Consistence (not specified)

28.5%

F. 比重: (無要求)

Specific Gravity (not specified)

3.14

Π.化學組成 Chemical Composition

項目

Items

澳門水泥標準要求

REQUIREMENTS

典型數值

TYPICAL

RESULTS

燒失量 Loss on Ignition

< 5.0 %

2.0 %

酸不溶物 Insoluble Residue

< 5.0 %

0.5 %

氧化硅 Silica (SiO2)

 

 21.0%

氧化鋁 Alumina (AI2O3)

 

 5.5%

氧化鐵Ferric oxide (Fe2O3)

 

 3.0%

氧化鈣 Calcium Oxide(CaO)

 

 64.5%

氧化鎂 Magnesia (MgO)

 

 1.3%

三氧化硫 Sulphuric Anhydride (SO3)

< 4.0 %

2.5%

Chloride (Cl)

< 0.10 %

0.01%

酸溶鹼含量

Acid Soluble Alkali as Na2O

 

0.45%

石灰飽和系數

Lime Saturation Factor

 

0.94%

游離氧化鈣

Free Lime (fCaO)

 

0.0%

硅酸三鈣

Tricalcium Silicate (C3S)

 

53.3%

硅酸二鈣

Dicalcium Silicate (C2S)

 

18.7%

鋁酸二鈣

Tricalcium Aluminate (C3A)

 

8.7%

鐵鋁酸四鈣

Tetracalcium Alumino Ferrite (C4AF)

 

10.0%

 

III備註 Remarks:本公司水泥產品質量符合一定的波動範圍

                               The cement test results comply with the range of undulation.