• HOME
  • ABOUT US
  • PRODUCT
  • NEWS
  • CASES
  • HR
  • CONTACT
  • 工厂地址:成都新津县川浙工业合作园A区兴园8路429号  邮箱:lukechenxi@vip.163.com   电话:13908219962  传真:028-82550605

    ©四川路加四通科技有限公司   网站建设:中企动力 成都  蜀ICP备18006121号

    PRODUCTS

    以人为本拓市场,以质为本立市场

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

    Superplasticizer JF-7

    Quantity
    -
    +
    Detail

    Applications

    JF-7 is made up from a mixture of set retarder, stabilizing agent, intensifier and etc.

    JF-7 characteristic are efficient water-reducing rate, delayed coagulation, less loss of slump constant, etc.

    JF-7 is the best choice for concocting the high-strength concrete.

    JF-7 can produce powder, liquid in two forms, to meet the different needs of the project.

    Properties

    Excellent water-reducing ability. JF-7 can significantly reduce 15% ~25% mixing water in concrete with 1.5%~3.0% dosage.

    Air content increased slightly, and no adverse effects for concrete strength.

    Increase value of fall highness: 10-18cm,1h loss<1/7, 2h loss<1/5,JF-7 is favorable for transportation and running castings of commercial concrete.

    Setting time delay about 1-3h, and can be adjusted at any time in accordance with the actual requirements.

    JF-7 can improve and enhance the each index of concrete, e.g. durability, workability, rupture strength, pull resistance, impermeability and etc.

    JF-7 applies to concrete work under the condition of 5℃-40℃.

    When JF-7 mixed use with other admixture, test must be done to confirm the validity.

    When first use this product and change the cement type, it should be according to the actual project.

    Uniformity

    Item
    Results

    Results

    Item

    Results

    Appearance

    Power

    isabelline powder

    Fineness(0.315mm),<

    5%

    liquid

    tan liquid

    Cement paste fluidity(mm)

    ≥230

    Liquid density (20℃)

    1.22±0.02 g/ml

    Chloride ion (%)

    ≤0.6%

    Moisture content (%)

    5±1%

    pH  Value

    7-9

    Concrete performance with 2.0% dosage by binder mass

    Test item

    Quality index

    Results

    Standard

    Set Retarding

    Water reducing rate (%), ≥

    14

    14

    18.4

    Ratio of bleeding rate (%), ≤

    90

    100

    0

    Air content (%), ≤

    3.0

    4.5

    3.3

    Difference in setting time(min)

    Initial setting

    -90~+120

    ﹥+90

    +114

    Final setting

    Ratio of compressive strength (%), ≥

    1d

    140

    ---

    3d

    130

    ---

    7d

    125

    125

    153

    28d

    120

    120

    124

    Ratio of shrinkage(%), ≤

    28d

    135

    123

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

    Recommended dosage

    Strength degree

    Slump(cm)

    Dosage(%, by binder)

    Strength degree

    Slump(cm)

    Dosage(%, by binder)

    C40

    8-10

    1.50

    C40

    20-22

    2.00

    C50

    8-10

    1.80

    C50

    20-22

    2.50

    C60

    8-10

    2.00

    C60

    20-22

    3.00

    Experiment must be done when changing cement and aggregate type.

    Packaging, transport and storage

    Powder JF-7 is available in 25kg film-lined bags. Liquid JF-7 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-1 is three 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
    Previous article
    Next article