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Stop It® Pipe Repair System

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XCorr® SA

Chemical Resistance Products

XCorr® SA

XCorr® SA provides a composite repair solution specifically for sulfuric acid piping. A two-part novolac epoxy is paired with with fiberglass reinforcements to create an acid resistant pipe wrap able to seal leaks and withstand high internal pressure.

XCorr® SA is a hand-applied composite wrap repair designed to seal leaks and provide future containment on piping suffering from reduced wall thickness. The repair approach utilizes a 2-part epoxy system selected to resist degradation upon exposure to sulfuric acid, regardless of concentration. The epoxy is supplied in pre-measured and ratioed quantities to insure the precise mixing required to obtain optimal chemical resistance. The epoxy is combined with high performance fiberglass reinforcement fabrics and a technical felt to provide superior leak sealing capacity and strong interfacial bonding. XCorr® SA is recommended for pressure applications up to 1,000 psi (70 kg/cm2) with a built in 4:1 safety margin. The composite repair approach provides a timely pathway to leak containment without the need for immediate metal work.

XCorr® SA Attributes

  • Novolac epoxy resin yields exceptional resistance to sulfuric acid
  • 100% solids, No VOCs
  • 3:1 mixing ratio (pre-measured)
  • Cartridge dispensing minimizes waste, ensures complete mixing, and manages pot life
  • Fiberglass weave provides multidirectional mechanical reinforcement and conformability to irregular geometries
    • Primary technical felt layer ensures complete interfacial wetting and highest pressure performance

XCorr® SA Specifications

Packaging: Resin supplied in dual cartridge (parts A and B packaged separately) with pre-measured volumes sized specifically for full coverage of supplied reinforcement fabric. Kits provided with static mixers, spreaders and gloves. Two-part dispensing guns sold separately.

Sizes: Reinforcement tape supplied in 6” widths and premeasured lengths. The required resin volumes are supplied in ready to use 400 mL or 1.0 L dual cartridge assemblies.

XCorr SA - hand-applied composite wrap repair
XCorr SA - acid resistant pipe wrap

Physical Properties

Shelf Life: Part A: 12 months at 75°F (24°C). Part B: 12 months at 75°F (24°C)

Storage Temperature: 32 to 100°F (0 to 43°C), 0-100% relative humidity

Application Temperature: 50 to 150°F (10 to 65°C)

Surface Preparation: Surfaces must be cleaned of all corrosion products and scale. A bright metal finish is desired (minimum SSPC-SP6 specifications). If possible, the pipe should be at ambient temperature before application.

Ordering Information

Part No Description Case Quantity Case WT
(lbs)
** Contact InduMar

Technical Information

Properties: Resin at 75°F (24°C)*

Pot Life: 30 minutes

Dry To Touch: 5 hours

Full Mechanical Strength: 24 hours

Full Chemical Resistance: 24 hours

Layer Thickness (per ply): 0.016 in

Lap Shear Adhesion: 1,480 psi (ASTM D 3165)

Dry Adhesion: >2500 psi (ASTM 4541)

Sealing Pressure: 1000 psi, 1/8″ od hole in 1″ steel pipe, direct exposure to sulfuric acid.

Weight gain/loss (24 hour exposure): <1% (98% sulfuric acid), <1% (95% sulfuric acid)

Compressive Strength: 11,500 psi (ASTM C109)

Shore D Hardness: 80 (ASTM D 785)

Composite Heat Deflection Temperature: 208°F (98°C) (ISO 75-3 2013)

Resin Temperature/Heat Resistance: From -20°F up to 450°F (-29°C to 232ºC) –continuous, dry.

*Pot life is greatly reduced with increased mixing volume and temperature. Cure time is significantly extended at lower temperature.

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