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    服務熱線

    海鷗牌42.5普通硅酸鹽水泥

    2021-01-30

    42.5普通硅酸鹽水泥

    42.5 Ordinary Portland Cement

    項目

    Project

    國家標準

    GB175—2007

    本廠實際

    Actual level

    抗折強度(MPa)

    Break strength

    3天(3Days

    ≥3.5

    ≥5.0

    28天(28Days

    ≥6.5

    ≥8.0

    抗壓強度(MPa)

    Compression strength

    3天(3Days

    ≥17.0

    ≥24.0

    28天(28Days

    ≥42.5

    ≥49.0

    凝結時間(min)
    Coagulating time

    初凝時間

    Coagulating start time

    ≥45

    100—260

    終凝時間

    Coagulating end time

    ≤600

    200—300

    燒失量(Loss on ignition)(%)

    ≤5.0

    ≤4.5

    SO3?(%)

    ≤3.5

    ≤2.5

    MgO (%)

    ≤5.0

    5.0

    氯離子(%) Chloride ion

    ≤0.06

    ≤0.05

    比面積 (/kg)

    Fineness Specific Surface area

    ≥300

    310-370

    安定性(沸煮法)

    合格

    合格

    若用戶要求提供低堿水泥時,則水泥中堿含量小于0.6%。

    特點

    強度高,凝結時間適中,水泥流動性好。

    適用范圍

    國防、海港、鐵路、機場、橋梁、水工、高層建筑等混凝土工程。

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