Thermo Wrap Inspectable

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Thermo-Wrap™ Inspectable is a custom engineered composite repair system that utilizes high stiffness, non-crimped bi-directional fiberglass architecture in conjunction with NRI’s patented Thermo-Poxy™Inspectable epoxy system. Using common radiographic inspection methods, owners and operators have the ability to monitor the integrity of an “in-service” Thermo-Wrap Inspectable repair through the course of its intended design life. Thermo-Wrap is used to repair corroded or damaged piping with harsh chemical services and elevated temperatures.

Description

Thermo-Wrap™ Inspectable is a custom engineered composite repair system that utilizes high stiffness, non-crimped bi-directional fiberglass architecture in conjunction with NRI’s patented Thermo-Poxy™Inspectable epoxy system. Using common radiographic inspection methods, owners and operators have the ability to monitor the integrity of an “in-service” Thermo-Wrap Inspectable repair through the course of its intended design life. Thermo-Wrap is used to repair corroded or damaged piping with harsh chemical services and elevated temperatures.

Typical Applications:

  • Flare lines, blow down lines, steam piping, chemical processing lines
  • Girth welds, elbows, tees
  • High temperature environments

Benefits:

  • Inspectable via radiography
  • High temperature rating with an ambient-cured epoxy
  • Non-shielding
  • Patented polymer inspection capability
  • Design conforms to ASME PCC-2, ASME B31, ISO TS24817, DOT, API, and CSA Z662standards for nonmetallic reinforcing solutions

Technical data

Właściwość Kierunek obwodowy Kierunek osiowy
Moduł sprężystości przy 4,29 Msi (29,6 GPa) 2,29 Msi (15,8 GPa)
Współczynnik rozszerzalności 5,72 ppm/˚F (10,3 ppm/˚C) 8,41 ppm/˚F (15,14 ppm/˚C)

 

Property Circumferencial Direction Axial Direction
Tensile Modulus 4,29 Msi (29,6 GPa) 2,29 Msi (15,8 GPa)
Thermal Expansion oefficient 5,72 ppm/˚F (10,3 ppm/˚C) 8,41 ppm/˚F (15,14 ppm/˚C)

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Property Typical Test Value
Laminate Thickness 0,027” (0,69mm)
Poisson Ratio 0,132
Glass Transition Temperature 367˚F (186˚C)
Shear Modulus of Polymer 177 ksi (1,22 GPa)
Shore D Hardness 87
Energy Release Rate 2 in.lb/in2 (350J/m2)

Additional information

Surface preparation:

Surface preparation and profiling shall promote continuous intimate contact between the CFRP system and pipe by providing a clean, smooth, and circumferential surface. Surface preparation shall be in accordance with SSPC-SP1 “Solvent Cleaning” and SSPC-SP10 / NACE 2 “Near White Blast Cleaning” 1-3 mil surface roughness (25-75 microns). If an exist-ing coating is present, roughen to degloss. The composite repair system is a bond -critical composite repair system requiring a strong adhesive bond between the clean pipe and the composite system.

Installation:

Installation of the composite System shall be performed by NRI qualified applicators only. Surface preparation, mixing of epoxy, and installation of the system are to be in accordance with NRI’s composite Installation Guide, latest revision. Quality control inspection during and after installation of the composite system shall be performed per NRI’s Installation Validation Procedure: Quality Control Records, latest revision .

Storage conditions:

Store in a cool, shaded area at an ambient temperature of 35ºC.

Datasheets

Datasheet – Thermo Wrap Inspectable