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External Asphalt Enamel Coating

External Asphalt Enamel Coating

    Typical Standards & Specifications

    • DEP 31.40.30.33 (Shell 2001)
    • GS EP COR 223 (TOTAL)
    • EN 10300 (2005)
     
    • Nominal Pipe Size: 4’’/114.3mm - 48’’/1219mm
    • Pipe Length : 6m - 18m
    • Coating Thickness: as per customer’s specification up to 5.5mm
     

    Asphalt enamel (AE) coating is a plant-applied external bitumen (asphalt) based enamel hot applied coating system to provide good corrosion protection for onshore and offshore steel line pipes and fittings.

    AE is a safer and more environment friendly coating system than coal tar enamel coating, consisting of a film of primer, one or two layers of reinforcing inner wrap and a layer of outer wrap impregnated with oxidized bitumen along with various grades of asphalt enamel.

    Sometimes, a solar protection (weather-resistant material) is applied to protect the coating from sunlight if the coated pipe have a long period of open air storage.


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