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Pipeline Encapsulation System - SKPS

PIPELINE ENCAPSULATION SYSTEM

VISCOTAQ is a viscous elastic coating for protection of underground and aboveground substrates. Once applied, VISCOTAQ forms a homogenous, continuous, impervious coating which is self-healing in cases of minimal damages. VISCOTAQ is available in rolls, paste form or as a sealant that is applied from a cartridge. The VISCOTAQ pipeline encapsulation system uses the Viscotaq ViscoWrap in conjunction with an outer wrap to provide long-term corrosion prevention for new and existing pipelines.

STEP 01: SURFACE PREPARATION

  • Minimum surface preparation should be ST2/ SSPC-SP2 (Hand Tool Clean).
  • Clean surface with denatured alcohol or acetone to remove any remaining dust, grease and mois ture.
  • Surface of the substrate should be 5°F+ above the dew point.
  • The adjacent coating should be roughened by means of sand paper or a grinding machine (If applicable). Sugges ted overlap on to the existing pipe coating: < 30” pipelines 4” overlap, > 30” pipelines 6” overlap.

STEP 02: VISCOWRAP APPLICATION

  • VISCOTAQ VISCOWRAP is applied by removing the release liner and placing adhesive side on the pipe.Initial wrap should be a straight circumference wrap.
  • Once initial straight circumference wrap is completed, wrap with slight tension and a minimum 1/2” overlap.Wrap at an angle to create a smooth overlap.
  • For coating repairs and difficult to reach areas VISCOWRAP can be applied in pieces, strips or individual circumference wraps (cigarette wrap).

STEP 03: PVC/PE OUTERWRAP APPLICATION

  • Outerwrap should be wrapped with tension and a minimum of 50% overlap.
  • First wrap and termination wrap should be a straight circumference wrap.
  • A 1⁄4” section of ViscoWrap should still be visible at after the PVC or PE Outer Wrap had been applied.
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