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High Density Polyurethane Thermal Insulation Pipes

    Buy cheap High Density Polyurethane Thermal Insulation Pipes from wholesalers
     
    Buy cheap High Density Polyurethane Thermal Insulation Pipes from wholesalers
    • Buy cheap High Density Polyurethane Thermal Insulation Pipes from wholesalers
    • Buy cheap High Density Polyurethane Thermal Insulation Pipes from wholesalers
    • Buy cheap High Density Polyurethane Thermal Insulation Pipes from wholesalers
    • Buy cheap High Density Polyurethane Thermal Insulation Pipes from wholesalers

    High Density Polyurethane Thermal Insulation Pipes

    Ask Lasest Price
    Brand Name : Ze Xu
    Model Number : pre insulated steel pipe
    Certification : CE API
    Price : USD+US$10to US$1,00+PCS
    Payment Terms : L/C, T/T
    Supply Ability : 100000 Piece/Pieces per Week Forged Pipe Fittings
    Delivery Time : 3-5 days
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    High Density Polyurethane Thermal Insulation Pipes

    Tianjin High Density Polyurethane Insulation Coating Hdpe Outer Jacket Steel Pipe


    Main Indexs of Pre-insulated Pipe
    Product Name
    Product Indexes
    Reference Standard
    Unit
    Standard Requirement
    Finished product
    Steel pipe without thermal insulation layer
    CJ/T114-4.4.1
    mm
    150-250
    Increasing rate of HDPE outer protection pipe
    CJ/T114-4.4.2
    %
    ≤ 2
    Axis eccentricity
    CJ/T114-4.4.3
    mm
    see clause 4.4.3
    Expectation of life
    CJ/T114-4.4.4.1
    year
    120℃ 30 years
    Shear strength(170℃,1450h after aging)
    CJ/T114-4.4.4.2
    MPa
    (23±2℃)>0.12
    (140±2℃) >0.08
    Shock resistance
    CJ/T114-4.4.5
    3kg/2m
    see clause 4.4.5
    Resistance value between alarm line
    CJ/T114-4.4.6
    more than 20MΩ






    Outer protection pipe
    Density
    CJ/T114-4.2.3.1
    kg/m3
    ≥940
    Elongation at break
    CJ/T114-4.2.3.4
    %
    ≥350
    Tensile yield stength
    CJ/T114-4.2.3.4
    MPa
    ≥19
    Longitudinal shrinkage rate
    CJ/T114-4.2.3.5
    %
    ≤3
    Long term Mechanical properties
    CJ/T114-4.2.3.6
    80℃ 4.0MPa
    >1500h free from damage
    The difference of the melt flow rate
    CJ/T114-4.2.3.2
    g/10min
    ≤0.5
    Carbon Black content
    CJ/T114-4.2.3.1
    %
    2.5±0.5







    Polyurethane insulation layer
    Density
    CJ/T114-4.3.2
    kg/m3
    ≥60
    Average pore size
    CJ/T114-4.3.1
    mm
    ≤0.5
    Percentage of close area
    CJ/T114-4.3.1
    %
    ≥88
    Compressive strength
    CJ/T114-4.3.3
    MPa
    ≥0.3
    Water absorption
    CJ/T114-4.3.4
    %
    Immersion in boiling water 90 minutes, bubble water absorption should be not more than 10%
    Coefficient of thermal conductivity before aging
    CJ/T114-4.3.5
    w/(m.k)
    ≤0.033
    Cavity
    CJ/T114-4.3.1
    ≤1/3 the thickness of insulation layer

    Working steel pipe
    Seamless steel pipe(≤DN150)
    GB8163
    20#, X42,X52,X60,X70
    Up to standards
    Spiral steel pipe (≥DN200)
    GB/T9711 or SY/T5037
    Q235B,Q355B,X42,X52,X60,X70
    Up to standards

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