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    以人为本拓市场,以质为本立市场

    HUMAN-ORIENTED EXTENSION MARKET , WITH QUALITY AS THE LOCAL MARKET

    Polycarboxylate pumping agent (VF-9)

    Quantity
    -
    +
    Detail

    Applications

    VF-9 is used in concrete in industrial and civil buildings, hydraulic engineering, transport system, port engineering, and municipal engineering.

    VF-9 is used in ready mix plants, precast and concrete plants.

    VF-9 is suit for ordinary concrete, high strength concrete, self-compaction concrete and as-cast-finish concrete.

    Properties

    Excellent water-reducing ability. VF-9 can significantly reduce 40% mixing water in high strength concrete.

    Enhance physical and mechanical properties of concrete.

    Enhance durability of concrete.

    Enhance volumetric stability of concrete.

    Excellent compatibility with Portland cement.

    High water retention capacity.

    Usage

    For powder VF-9, the dosage is typically 1.5%~3.0%, 5.0% for high strength concrete.

    The amount of VF-9 used in concrete will be slightly adjusted depending upon job requirements, such as concrete strength, variations in cement, aggregate and other job site conditions. Experiments for appropriate dosage must be carried out when changing concrete mix proportion or materials.

    VF-9 can be added in concrete with other raw materials directly.

    VF-9 cannot be used with naphthalene based water reducing admixture.

    Experiment must be done when VF-9 is used together with other admixtures.

    Uniformity

    Item
    Results

    Results

    Item

    Results

    Appearance

    yellow brown transparency liquid

    Application

    Pumping agent

    Chloride ion (%)

    ≤0.6%

    pH  Value

    6-8

    Cement paste fluidity(mm)

    ≥210(Dosage 2.0%)

    Density

    1.03±0.02 g/ml

    Concrete performance with 2.0% (liquid) dosage by binder mass

    Test item

    Quality index

    Results

    Water reducing ratio(%),≥

    12

    22.9

    ratio of bleeding rate(%),≤

    70

    16

    Air content(%),≤

    5.5

    3.2

    1h change(mm)

    Slump(mm)

    ≤80

    20

    Ratio of compressive strength
    (%), ≥

    3d

    -

    -

    7d

    115

    139

    28d

    110

    125

    Ratio of shrinkage(%),

    28d

    135

    103

    Reinforcement corrosion hazard

    Explanation of Reinforcement corrosion hazard must be done

    None

    Conclusion: the project is in line with acceptable end product index of “pumping agent” in JC473-2001 and the “pumping agent” index of GB8076-2008.

    Packaging, Transport and Storage

    VF-9 is available in metal pail or iron tank. Other special package can also be available according to prior consultation.

    Special measures should be taken to ensure entire package.

    Dry and well ventilated warehouse is needed for storage. Quality guarantee of VF-9 is one year under normal conditions. If storage has surpassed the time, test must be done to confirm the validity.

    Corresponding parameter set not found, please add it in property template of background
    暂未实现,敬请期待
    暂未实现,敬请期待
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