PIPE-GUARD Rock Shield III

SKU#: PIPE-GUARD Rock Shield III
Protects the corrosion coating on pipelines from rocky backfill.
  • Description

    PIPE-GUARD Rock Shield III is a flexible padding designed especially for the protection of the corrosion coating on pipelines when rocky backfill is encountered.

    Advantages

    • PIPE-GUARD Rock Shield III provides the padding required for pipe coatings without the concern of blocking out cathodic protection.
        

    • PIPE-GUARD Rock Shield III has a flat interior surface that will not mar soft coatings.
        

    • PIPE-GUARD Rock Shield III saves money at every step of the operation through its convenience and ease of application.
        

    • PIPE-GUARD Rock Shield III’s flexibility, even at colder temperatures, allows for quick and easy application lengthwise or cigarette wrap using tape or strapping products.
        

    • PIPE-GUARD Rock Shield III helps protect the coating from the abrasive movement of the pipe in the ground over long periods.

    Availability

    PIPE-GUARD Rock Shield III is readily available. It is supplied in a standard roll size of 5’ wide x 100’ roll long weighing 77 lbs.

    Benefits

    • Absorbs impact of uneven backfill

    • Protects pipe coating from jagged rocks in trench.

    • Helps prevent abrasions from pipe movement underground.

    • Protects pipe from future excavations.

    • Material is lightweight and easy to handle.

  • Product Data

    Parameter

    EnglishMetricTest Method

    Thickness, minimum
       Nominal

    0.145"
    0.160"
    3.68 mm
    4.0 mm
    ASTM D4801

    Weight, minimum
       Nominal

    0.144 lbs/sq ft
    0.155 lbs/sq ft
    800 kg/m2
    750 kg/m2
     

    Tensile Strength, minimum

    2757 lbs/sq in 19.0 N/mm2 ASTM D1682
    modified

    Toughness (weak strand)
       Breakload x elongation, min

    7 7  

    Compressive Strength, nominal

    200 lbs/sq in 140,000 kg/m2 ASTM D1621
    modified

    Impact Resistance, limestone drop

    Pass Pass ASTM G13

    Impact Resistance

    Rockshield protected ASTM G14(1)

    Type of Coating - no holiday at:

    No holiday at: No holiday at:  

       Fusion Bonded Epoxy

    22.9" 58.2 cm  

       Polyethylene Tape

    21.9" 55.6 cm  

       Coal Tar Enamel

    42.0" (2) 106 cm  

    Specific Gravity, minimum
       Maximum

    35 lbs/cu ft
    43 lbs/cu ft
    0.56 g/cm3
    0.69 g/cm3
     

    Strand Angle, minimum
       Maximum

    80º
    90º
    80º
    90º
     

    Strand Count, minimum
       Maximum

    3.1/inch
    3.7/inch
    1.22/cm
    1.45/cm
     

    Resin Density, minimum

    58.6 lbs/cu ft 0.94 g/cm3 ASTM D1505

    Resin Melt Index, minimum

    0.22 lbs/
    10 minutes
    1.00 g/
    10 minutes
    ASTM 1238A


    (1) Using at 4 lb weight
    (2) Maximum height of test apparatus

       

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