普通矽酸鹽水泥标準/ Portland Cement Standard
項目
Item |
單位
Unit |
中國(guó)标準/Chinese Standard |
62.5R |
62.5 |
52.5R |
52.5 |
42.5R |
42.5 |
32.5R |
32.5 |
不溶物(wù)
Insoluble |
% |
≤0.75 |
≤0.75 |
≤0.75 |
≤0.75 |
≤0.75 |
≤0.75 |
≤0.75 |
≤0.75 |
氧化鎂
MgO |
% |
≤5.0 |
≤5.0 |
≤5.0 |
≤5.0 |
≤5.0 |
≤5.0 |
≤5.0 |
≤5.0 |
三氧化硫
SO3 |
% |
≤3.5 |
≤3.5 |
≤3.5 |
≤3.5 |
≤3.5 |
≤3.5 |
≤3.5 |
≤3.5 |
燒失量
LOI |
% |
≤3.0 |
≤3.0 |
≤3.0 |
≤3.0 |
≤3.0 |
≤3.0 |
≤3.0 |
≤3.0 |
氯離子
Chloride |
% |
≤0.06 |
≤0.06 |
≤0.06 |
≤0.06 |
≤0.06 |
≤0.06 |
≤0.06 |
≤0.06 |
比表面積
Blaine |
m2/Kg |
>300 |
>300 |
>300 |
>300 |
>300 |
>300 |
>300 |
>300 |
安(ān)定性(試餅法)
Soundness Olcement(pat test) |
|
Qualification |
凝結時間
Setting Time |
初凝/Initial |
分(fēn)/Min |
≥45 |
≥45 |
≥45 |
≥45 |
≥45 |
≥45 |
≥45 |
≥45 |
終凝/Final |
分(fēn)/Min |
≤390 |
≤390 |
≤390 |
≤390 |
≤390 |
≤390 |
≤390 |
≤390 |
抗折強度
Bending Strength |
3 天/day |
Mpa |
≥5.5 |
≥5.0 |
≥5.0 |
≥4.0 |
≥4.0 |
≥3.5 |
≥3.5 |
≥2.5 |
28 天/day |
Mpa |
≥8.0 |
≥8.0 |
≥7.0 |
≥7.0 |
≥6.5 |
≥6.5 |
≥5.5 |
≥5.5 |
抗壓強度
Compressive Strength |
3 天/day |
Mpa |
≥32.0 |
≥28.0 |
≥27.0 |
≥23.0 |
≥22.0 |
≥17.0 |
≥15.0 |
≥10.0 |
28 天/day |
Mpa |
≥62.5 |
≥62.5 |
≥52.5 |
≥52.5 |
≥42.5 |
≥42.5 |
≥32.5 |
≥32.5 |
|
國(guó)家标準/National Standard: GB175-2007