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Water-reducing, high range and retarding admxiture (MNC-HHJ)

Country/Region china
Company MUHU (China) Construction Materials Co., Ltd.
Categories Concrete Water Reducer Admixture
Telephone (86)10-69687750
ICP License Issued by the Chinese Ministry
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    Water-reducing, high range and retarding admxiture (MNC-HHJ)

    Water-reducing, high range and retarding admxiture (MNC-HHJ)
    Product Name: Water-reducing, high range and retarding admxiture (MNC-HHJ)
    Type: MNC-HHJ
    Package: 25kg/bag

    Water Reducing, High Range and Retarding Admixtures
    MNC-HHJ

    Description

    MNC-HHJ is a water reducing, high range and retarding admixture which delays concrete setting time. It not only plasticizes significantly but also has little or no effect on the water demand or other properties of concrete. It complies with ASTM C 494 Type G.

    Application

    MNC-HHJ retards the initial and final set of concrete. It extends the initial setting time of portland cement concrete by 2 to 3 hours at 21 ℃. MNC-HHJ is used wherever a delay is needed in setting time to insure sufficient delivery, placement, vibration or compaction time.

    Not suitable for working condition under 5℃.

    Not suitable for being solely applied in the concrete that requires early strength and steam curing.

    Not suitable for being solely used in the lean concrete.

    Test before applied in anhydrite, dross or similar industrial waste cement.

    Advantages

    Delays the setting time of concrete

    Prevents the formation of cold joints

    Increases initial workability

    Increases ultimate strength

    Produces economies in mix designs

    Provides workability retention to the concrete

    Technical Data Sheet

    Items

    Criteria

    Actual Results

    Water Reducing Rate (%)

    ≥6

    8.1

    Ratio of Bleeding Rate (%)

    ≤70

    0

    Air Content (%)

    >3.0

    5.7

    Difference in Setting Time, (min)

    Initial Time

    -90---120

    +37

    Final Time

    +80

    Compressive Strength Ratio (%)

    3day

    ≥95

    116

    7day

    ≥95

    97

    28day

    ≥90

    101

    Shrinkage (%)

    28day

    ≤135

    100

    Dosage

    For normal usages the dosage rate varies from 1.0% to 1.2% of the cement consumption.
    Quality Water-reducing, high range and retarding admxiture (MNC-HHJ) for sale
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