FormaShield®

FormaShield®

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Submitted on: 02 Aug 18

Category: Pipewrap

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Author's Description:

The FormaShield system, a high-strength composite repair solution, reinforces pipes by containing hoop and axial loads. The FormaShield system features epoxy resin and tri-axial glass fiber reinforcement and can be applied on site, allowing the system to be customized for operations in aggressive environments. The system is ILI detectable and meets ASME PCC-2 and ISO 24817 standards.

Typical Uses:
External corrosion and pitting
Dents, gouges and scratches
Welds and other manufacturing flaws

Mechanical Properties
Attribute–Tensile Strength
Method– ASTM D3039
Value– 74,000 psi

Attribute– Tensile Modulus
Method– ASTM D3039
Value– 3.1 x 106 psi

Attribute–Poisson’s Ratio
Method–ASTM D3039
Value– 0.37

Thermal Properties
Attribute–Thermal Expansion
Method– ASTM E831
Value–15.6 μm/m/C°

Attribute–Glass Transition Temp.
Method–ASTM E1356
Value– 105 °C

Attribute–Max Operating Temp.
Method–ASME PCC-2
Value–85°C

Attribute–Application Temperature
Value–55 °F to 120°F (13°C to 49°C)

System Properties
Attribute–Ply Thickness
Value– 31 mils. (0.031 inches)

Attribute–Working Time
Value–40 minutes at Ambient

Attribute–Set Time
Value–2 hours

Attribute–Cure Time
Value–24 – 72 hours

Attribute–Shelf Life
Value–1 year

Attribute–Available Widths
Value–4, 6, and 12 inches

FOUND IN THESE MARKETS:
Oil, Gas & Industrial
RELATED APPLICATIONS:
Oil & Gas Pipe Rehab
RELATED CASE STUDIES

Read Case Study
FormaShield®: Refinery Water Line

1. Surface Preparation
Remove all soft coatings and media blast the pipe to a 2.5 mil profile (NACE 3 minimum). Wipe the surface with a solvent such as Acetone, Toluene, or MEK.

2. Load Transfer filler 2.png
Mix the putty or paste until uniform in color and apply to any defects. Shape the filler to near net surface profile of pipe.

3. Adhesive primer
Mix equal parts of the adhesive primer until uniform. Apply the primer to the pipe surface, ensuring a minimum of 30-mil coverage. Allow the primer to sit until a “peanut butter” thickness is achieved.

4. FormaShield Preparation 8.png
Mix epoxy parts A and B for at least 2 minutes. Apply the mixed resin onto the fabric evenly distribute on the fabric. Roll up the fabric and transfer to the prepared pipe.

5.Apply wrap to pipe 9.png
Apply cloth tightly around pipe and continue wrapping until designed layer count is achieved.

11.Constrictor Wrap
Tightly apply 4-6 layers of constrictor wrap over the repair. Then, perforate the surface of the wrap. Allow 2 hours for curing.

12.Topcoat Application
After the epoxy has cured, remove the constrictor wrap. Apply a topcoat to the repair area, as applicable.

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