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Performance Index of Main Raw Material for Steel Strip Pipe
2019-1-8
source:unknown
clicks:  6114        作者:未知
  • I. Special polyethylene

    1 Tensile Strength/MPa: > 18
    2. Melt flow rate (5kg, 190 C) (g/10min): <1.0
    3. Induction time of oxidation (200 C)/min: > 20
    4 Density/(g/cm): <0.98
    5% Moisture: <0.05
    6% ash: <3
    7% elongation: > 400
    8 Particles Uniform, No Impurities, Packaging Specification

    Two. Steel strip

    Galvanized steel strip
    Yield Strength/MPa:190~280
    Tensile Strength/MPa:290~400
    Elongation percentage: > 26
    Surface quality: surface rustless spots, grease, dirt and damage, no indentation and other harmful defects to use

    Cold rolled steel strip
    Yield Strength/MPa:160~230
    Tensile Strength/MPa:270~380
    Elongation percentage: > 26
    Surface quality: surface rustless spots, grease, dirt and damage, no indentation and other harmful defects to use

    3. Bonding Resin

    Peeling strength (23 C +2 C)/(N/cm) a: > 100
    Melt flow rate (2.16kg, 190 C) (g/10min): 2.5-4.0
    Induction time of oxidation (200 C)/min: > 20
    Ash percentage: < 0.1
    Density/(g/cm_): 0.93-0.95
    Vicat softening point /(?): > 110
    Tensile strength MPa: > 16
    Elongation%: > 500
    Moisture%: <0.03
    Uniform granule, non-inclusion, packing specification
    Note: A is peeling strength between bonding resin and steel strip

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