StrongBack® GS-561 Epoxy
GS–561 is the first of just two components necessary to apply a standard StrongBack composite pipe reinforcement system. The GS–561 is a 2-part epoxy coating, which can be easily applied over a prepared pipe surface, by gloved hand, spatula or straight edged spreader. The epoxy coating acts as a corrosion inhibitor but also and primarily as a load transfer medium, transferring hoop stresses from the damaged pipeline to the second component of the system, the StrongBack tape.
GS–561 is based on a unique blend of liquid epoxy polymer and aliphatic polyamine curing agents which is able to displace water from wet surfaces in order to make a permanent bond. The formulation is solvent-free to ensure safety and maximum technical performance. Kevlar™* fibers are incorporated for reinforcement and viscosity management to achieve high application rates—even underwater—and to provide permanent protection under the most adverse conditions. It uses advanced low toxicity curing agents. GS–561 can be shipped “Non-Regulated” by USDOT, IATA, and IMO.
STRONGBACK PIPE REINFORCEMENT SYSTEM
Acts as the load transfer medium from the damaged or corroded pipe surface to the StrongBack Tape.
Splash zone, abrasion resistance above or below water.
Patching, leak sealing etc. above and below water.
Smoothing rough steel and concrete exposed to erosion.
In dry, wet, or submerged situations.
For exposed, above ground, or underwater substrates
VEHICLE TYPE: Epoxy/Aliphatic amines
PIGMENTATION: Color/lnert/fibrous reinforcement
THINNER: Not required
CLEANER: GS Solvent 009-00000 or standard epoxy thinner
MIXING RATIO: 1.0/1.0 (Volume)
INDUCTION: Not required
POT LIFE: 40 minutes / 27°C (80°F)
FLASH POINT: 38°C (100°F) (Closed cup)
SOLIDS BY VOLUME: 100%
SPREADING RATE: 12m/L (53.5 sq.ft./gal @ 30 mils)
DRY TIME (Touch): 4 hours at 27°C (80°F)
DRY TIME (Hard): 14 hours at 27°C (80°F)
STORAGE CONDITIONS: Normal, Freezing OK
SHELF LIFE: 12 Months, Minimum
VOC: Essentially zero
Complete technical specifications, application instructions, and test results are available in the following PDF documentation.
StrongBack GS-561 Epoxy: Product Data Sheet
StrongBack GS-561 Epoxy: Material Safety Data Sheet
View a StrongBack Weld Repair Procedure
*Kevlar is a trademark of E1 DuPont de Nemours Co.