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