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    Naphthalene anti-freezing admixture JF-15

    Naphthalene anti-freezing admixture JF-15

    Quantity
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    Detail

    Applications

    JF-15 is suitable for winter construction of all kinds of concrete at the average temperature of -5 ℃ -15 ℃.

    Slump loss of JF-15 is small.

    JF-15 has better applicability for all kinds of cement and composite material.

    JF-15 is chloride – free, low alkali and hazardous substance.

    JF-15 hasn’t corrosion for reinforcement metal.

    JF-15 belongs to green production.

    Properties

    Dosage: 2.5~4.5% at temperatures not lower than -15 ℃.

    Mixing water should be required to heat.

    Pumping's temperature of concrete should be higher than 5 ℃ and use comprehensive thermal storage method.

    Uniformity

    Item
    Results

    Results

    Item

    Results

    Appearance

    Power

    grey powder

    pH  Value

    7-9

    liquid

    tan liquid

    Cement paste fluidity(mm)

    ≥160

    Liquid density (20℃)

    1.18±0.02 g/ml

    Liquid solid content

    30±2%

    Concrete performance with 3.5% dosage by binder mass

    Test item

    Quality index, I
    (set point of temperature is -10℃)

     

    Results

    Water reducing rate (%), ≥

    10

    18

    Ratio of bleeding rate (%), ≤

    80

    0

    Air content (%), ≤

    2.5

    3.3

    Difference in setting time(min)

    Initial setting

    -150~+150

    -25

    Final setting

    -20

    Ratio of compressive strength (%), ≥

    -7d

    12

    15

    28d

    100

    127

    -7d+28d

    90

    99

    -7d+56d

    100

    111

    28d Ratio of shrinkage(%),

    135

    119

    Permeated height rate (%), ≤

    100

    80

    Loss rate of frozen-thaw strength (50 times) (%), ≤

    100

    41

    Ammonia burst size (%), ≤

    0.10

    0.01

    Reinforcement corrosion hazard

    Explanation of Reinforcement corrosion hazard must be done

    None

    Remark: set point of temperature is -10℃(serviceability temperature is -15℃)

    Conclusion: the project is in line with acceptable end product index in JC475-2004.

    Packaging, transport and storage

    Powder JF-15 is available in 25kg film-lined bags.Liquid JF-15 is available in sealed plastic or iron tank. Other special package can also be available according to prior consultation.

    Special measures should be taken to ensure entire package. Keep waterproof during transportation.

    Dry and well ventilated warehouse is needed for storage. Quality guarantee of JF-15 is two 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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