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Fire protection pipe special powder coating

Product features: 1. Excellent adhesion to the substrate, even after groove coating. 2. Excellent corrosion resistance. 3. The coating has good leveling, high gloss, high density, and a low damping coefficient. 4. The coating has excellent high-temperature cathodic disbondment resistance. 5. Excellent physical and mechanical properties. 6. Good outdoor durability and good high and low temperature resistance. 7. The coating is highly resistant to boiling water and can withstand high and medium temperature water immersion for a long time, with adhesion reaching level 1. 8. It has certain flame retardant and smoke suppression properties. 9. Good powder fluidity, effectively reducing powder dust pollution to the working environment during spraying. 10. Low powder density, high powder application rate, and large spraying area.
  • Commodity name： Fire protection pipe special powder coating

Product Category

Pure epoxy anticorrosive

Email:

tedluo@163.com

Tel:

86-13801790539

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  • Product Description
  • Product characteristics
    1. Excellent adhesion to the substrate, even the post-groove coating can remain intact.
    2. Excellent corrosion resistance.
    3. The coating appearance is smooth, high gloss, strong coating density, and has a low damping coefficient.
    4. The coating has excellent high-temperature resistance to cathodic peeling.
    5. Excellent physical and mechanical properties.
    6. Good outdoor durability and good high and low temperature resistance.
    7. The coating is highly resistant to boiling water and can withstand high and medium temperature water immersion for a long time, with adhesion reaching level 1.
    8. It has certain flame retardant and smoke suppression properties.
    9. Good powder fluidity, which can effectively reduce the dust pollution of powder during spraying on the working environment.
    10. Low powder density, high powder application rate, and large spraying area.
    Epoxy powder performance parameters

    Item

    Quality index

    Test method

    Test results

    Appearance

    Uniform color, fluffy powder without agglomeration

    Visual

    Qualified

    Density (g/cm³)

    1.35-1.5

    GB4472-1984

    1.45±0.05

    Non-volatile content (%)

    ≥99.5%

    GB/T6554-2003

    99.90%

    Spraying area

    \

    Film thickness 300μm

    2.1-2.26m²/kg

    Gelation time (180℃)

    ≤180s

    GB/T6554-2003

    110±5s

    Cured powder coating performance parameters

    Serial number

    Test item

       Technical index

    Test method

    Test results

    1

    Appearance

    Uniform color, no bubbles or shrinkage, high coating gloss (over 85%), flat surface, no orange peel.

    Visual inspection
    GB/T5135.20-2010

    Qualified

    2

    Adhesion (grade)

    1~3

    GB/T 5135.20-2010
    GB/T 28897-2012

    Grade 1

    3

    Pinhole

    No electric sparks

    GB/T 5135.20-2010

    Qualified

    4

    Impact resistance

    No peeling, no cracking

    Qualified

    5

    High temperature performance 300℃/1h

    No peeling, bulging, cracking, delamination or damage to the coating; darkening of the color is allowed.

    Qualified

    6

    Low temperature performance

    No peeling or damage to the coating, adhesion grade 1-3

    No change in coating, adhesion grade 2

    7

    Pressure cycle

    No peeling or damage to the coating, adhesion grade 1-3

    No change in coating, adhesion grade 2

    8

    Temperature cycle

    No peeling or damage to the coating, adhesion grade 1-3

    No change in coating, adhesion grade 2

    9

    Hot water aging resistance

    No peeling or damage to the coating

    Qualified

    10

    Vacuum resistance

    No peeling or cracking of the coating

    Qualified

    11

    Flattening test

    No peeling or cracking of the coating

    Qualified

    12

    Bending resistance

    No cracks in the coating

    GB/T 5135.20-2010
    SY/T0442-2010
    Appendix E

    Qualified

    13

    Salt spray test (1000h)

    No blistering or cracking of the coating; corrosion around the grid ≤2mm

    5%Nacl*35℃/GBT1771-1991

    Qualified

    Implementation standard: GB/T 5135.20-2010; GB/T 28897-2012 etc.
    Application areas: Internal and external corrosion protection of fire water supply pipelines and their accessories, replacing traditional galvanized steel pipes.
    Applicable process (depending on pipe diameter): Electrostatic spraying, thermal spraying, inner suction and outer spraying, fluidized bed (well) immersion coating, roller coating, etc.
    Precautions:
    1. The surface of the steel pipe should be free of oil stains, loose rust and moisture; the surface treatment quality should reach Sa2 1/2 grade (GB/T8923); the anchor pattern depth should be 50-90mm; the dust and abrasives attached to the surface of the steel pipe should be cleaned; preheating: the surface temperature of the steel pipe should be controlled at 160-200℃, and should not exceed 230℃.
    Unused powder should be stored indoors in a well-ventilated, dry area with a temperature below 40℃, away from heat sources, corrosive chemicals, and chemical solvents. Avoid direct sunlight; the maximum stacking height should not exceed 4 layers; avoid prolonged compression, ensure the packaging box is sealed to prevent caking and moisture, affecting fluidization performance.
    To maximize the corrosion protection of the epoxy coating, the coated steel pipes need to undergo secondary heat curing.
    Fire protection pipe dedicated powder coating

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