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

    Water reducing admixture JF-5

    Quantity
    -
    +
    Detail

    Applications

    JF-5 is no chlorine and low alkali.

    JF-5 is low content, reasonable price and better economic result.

    JF-5 applies to common concrete.

    JF-5 applies to the cement admixture which is made by anhydrite and fluorgypsum and steamed concrete.

    Properties

    Dosage: 0.5-1.0%.

    There was no significant effect on the setting time.

    Air content increased slightly.

    Retention value of slump constant: 1h≥90%

    Before JF-5 mixed use with other admixture, it must pass the laboratory test.

    Use it in the above 5 degrees celsius temperature conditions.

    Uniformity

    Item

    Results

    Item

    Results

    Appearance

    grey powder

    pH  Value

    7-9

    Fineness(0.315mm),<

    5%

    Chloride ion (%)

    ≤0.6%

    Moisture content (%)

    5±1%

     

     

    Concrete performance with 0.75% dosage by binder mass

    Test item

    Quality index

    Results

    Hardening accelerating

    Standard

    Set retarding

    Water reducing rate (%), ≥

    8

    8

    8

    13.0

    Ratio of bleeding rate (%), ≤

    95

    100

    100

    0

    Air content (%), ≤

    4.0

    4.0

    5.5

    2.7

    Difference in setting time(min)

    Initial setting

    -90~+90

    -90~+120

    ﹥+90

    -11

    Final setting

    -17

    Ratio of compressive strength (%), ≥

    1d

    135

    3d

    130

    115

    142

    7d

    110

    115

    110

    139

    28d

    100

    110

    110

    132

    Ratio of shrinkage(%), ≤

    28d

    135

    120

    Conclusion: the project is in line with retarding index of “water-reducing admixture” of GB8076-2008.

    Packaging, transport and storage

    Powder JF-5 is available in 25kg film-lined bags. Other special package can also be available according to prior consultation.

      Dry and well ventilated warehouse is needed for storage to prevent absorption of moisture and agglomeration. 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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